Tuesday, November 23, 2010

3 Fun Math Tricks

Here are 3 fun math tricks you can use to impress your geeky friends. All three tricks are based around the sequential manipulation of the numbers being used for input and output. One of my old college professors showed me these tricks a few years back. I thought it was pretty cool, so I figured I’d share it. Enjoy yourselves!

1 Through 9 to 9 Through 1:

1 x 8 + 1 = 9
12 x 8 + 2 = 98
123 x 8 + 3 = 987
1234 x 8 + 4 = 9876
12345 x 8 + 5 = 98765
123456 x 8 + 6 = 987654
1234567 x 8 + 7 = 9876543
12345678 x 8 + 8 = 98765432
123456789 x 8 + 9 = 987654321

Sequential Input to All 1’s:

1 x 9 + 2 = 11
12 x 9 + 3 = 111
123 x 9 + 4 = 1111
1234 x 9 + 5 = 11111
12345 x 9 + 6 = 111111
123456 x 9 + 7 = 1111111
1234567 x 9 + 8 = 11111111
12345678 x 9 + 9 = 111111111
123456789 x 9 + 10 = 1111111111

All 1’s to a Numeric Palindrome:

1 x 1 = 1
11 x 11 = 121
111 x 111 = 12321
1111 x 1111 = 1234321
11111 x 11111 = 123454321
111111 x 111111 = 12345654321
1111111 x 1111111 = 1234567654321
11111111 x 11111111 = 123456787654321
111111111 x 111111111 = 12345678987654321

7 Clever Google Tricks Worth Knowing

Below I have compiled a list of 7 clever Google tricks that I believe everyone should be aware of. Together I think they represent the apex of the grand possibilities associated with Google search manipulation tricks and hacks. Although there are many others out there, these 7 tricks are my all-time favorite. Enjoy yourself.

1. Find the Face Behind the Result – This is a neat trick you can use on a Google Image search to filter the search results so that they include only images of people. How is this useful? Well, it could come in handy if you are looking for images of the prominent people behind popular products, companies, or geographic locations. You can perform this search by appending the code &imgtype=face to the end of the URL address after you perform a standard Google Image search.

2. Google + Social Media Sites = Quality Free Stuff – If you are on the hunt for free desktop wallpaper, stock images, Wordpress templates or the like, using Google to search your favorite social media sites is your best bet. The word “free” in any standard search query immediately attracts spam. Why wade through potential spam in standard search results when numerous social media sites have an active community of users who have already ranked and reviewed the specific free items that interest you. All you have to do is direct Google to search through each of these individual social media sites, and bingo… you find quality content ranked by hundreds of other people.

3. Find Free Anonymous Web Proxies – A free anonymous web proxy site allows any web browser to access other third-party websites by channeling the browser’s connection through the proxy. The web proxy basically acts as a middleman between your web browser and the third-party website you are visiting. Why would you want to do this? There are two common reasons:

  • You’re connecting to a public network at a coffee shop or internet cafĂ© and you want privacy while you browse the web. You don’t want the admin to know every site you visit.
  • You want to bypass a web content filter or perhaps a server-side ban on your IP address. Content filtering is common practice on college campus networks. This trick will usually bypass those restrictions.

There are subscription services and applications available such as TOR and paid VPN servers that do the same thing. However, this trick is free and easy to access from anywhere via Google. All you have to do is look through the search results returned by the queries below, find a proxy that works, and enter in the URL of the site you want to browse anonymously.

4. Google for Music, Videos, and Ebooks - Google can be used to conduct a search for almost any file type, including Mp3s, PDFs, and videos. Open web directories are one of the easiest places to quickly find an endless quantity of freely downloadable files. This is an oldie, but it’s a goodie! Why thousands of webmasters incessantly fail to secure their web severs will continue to boggle our minds.

5. Browse Open Webcams Worldwide – Take a randomized streaming video tour of the world by searching Google for live open access video webcams. This may not be the most productive Google trick ever, but it sure is fun! (Note: you may be prompted to install an ActiveX control or the Java runtime environment which allows your browser to view certain video stream formats.)

6. Judge a Site by its Image – Find out what a site is all about by looking at a random selection of the images hosted on its web pages. Even if you are somewhat familiar with the target site’s content, this can be an entertaining little exercise. You will almost surely find something you didn’t expect to see. All you have to do is use Google’s site: operator to target a domain in an image search.

7. Results Based on Third-Party Opinion - Sometimes you can get a better idea of the content located within a website by reading how other websites refer to that site’s content. The allinanchor: Google search operator can save you large quantities of time when a normal textual based search query fails to fetch the information you desire. It conducts a search based on keywords used strictly in the anchor text, or linking text, of third party sites that link to the web pages returned by the search query. In other words, this operator filters your search results in a way such that Google ignores the title and content of the returned web pages, but instead bases the search relevance on the keywords that other sites use to reference the results. It can add a whole new dimension of variety to your search results.

Bonus Material:

Here is a list of my favorite Google advanced search operators, operator combinations, and related uses:

  • link:URL = lists other pages that link to the URL.
  • related:URL = lists other pages that are related to the URL.
  • site:domain.com “search term = restricts search results to the given domain.
  • allinurl:WORDS = shows only pages with all search terms in the url.
  • inurl:WORD = like allinurl: but filters the URL based on the first term only.
  • allintitle:WORD = shows only results with terms in title.
  • intitle:WORD = similar to allintitle, but only for the next word.
  • cache:URL = will show the Google cached version of the URL.
  • info:URL = will show a page containing links to related searches, backlinks, and pages containing the url. This is the same as typing the url into the search box.
  • filetype:SOMEFILETYPE = will restrict searches to that filetype
  • -filetype:SOMEFILETYPE = will remove that file type from the search.
  • site:www.somesite.net “+www.somesite.net” = shows you how many pages of your site are indexed by google
  • allintext: = searches only within text of pages, but not in the links or page title
  • allinlinks: = searches only within links, not text or title
  • WordA OR WordB = search for either the word A or B
  • “Word” OR “Phrase” = search exact word or phrase
  • WordA -WordB = find word A but filter results that include word B
  • WordA +WordB = results much contain both Word A and Word B
  • ~WORD = looks up the word and its synonyms
  • ~WORD -WORD = looks up only the synonyms to the word

Saturday, June 27, 2009

Google Wave - Innovation at its best

Google Wave is a new communication service previewed today at Google I/O. "A wave is equal parts conversation and document, where people can communicate and work together with richly formatted text, photos, videos, maps, and more."The service seems to combine Gmail and Google Docs into an interesting free-form workspace that could be used to write documents collaboratively, plan events, play games or discuss a recent news.Google Wave has been designed by the founders of Where 2 Tech, a start-up acquired by Google to create a cutting-edge mapping service, which later became Google Maps."Back in early 2004, Google took an interest in a tiny mapping startup called Where 2 Tech, founded by my brother Jens and me. We were excited to join Google and help create what would become Google Maps. But we also started thinking about what might come next for us after maps. As always, Jens came up with the answer: communication. He pointed out that two of the most spectacular successes in digital communication, email and instant messaging, were originally designed in the '60s to imitate analog formats — email mimicked snail mail, and IM mimicked phone calls. Since then, so many different forms of communication had been invented — blogs, wikis, collaborative documents, etc. — and computers and networks had dramatically improved. So Jens proposed a new communications model that presumed all these advances as a starting point; I was immediately sold," explains Lars Rasmussen."In Google Wave you create a wave and add people to it. Everyone on your wave can use richly formatted text, photos, gadgets, and even feeds from other sources on the web. They can insert a reply or edit the wave directly. It's concurrent rich-text editing, where you see on your screen nearly instantly what your fellow collaborators are typing in your wave. That means Google Wave is just as well suited for quick messages as for persistent content -- it allows for both collaboration and communication. You can also use "playback" to rewind the wave to see how it evolved."You can see some screenshots of the service and find some details about the API that could be used to extend the service and the Wave protocol that allows anyone to run a "wave" server. Google promises that Google Wave will be available later this year.

http://www.youtube.com/watch?v=v_UyVmITiYQ&eurl=http%3A%2F%2Fwave.google.com%2F&feature=player_embedded

Monday, March 16, 2009

What's a recession? How will US slowdown hit India

The fear of a recession looms over the United States. And as the cliche goes, whenever the US sneezes, the world catches a cold. This is evident from the way the Indian markets crashed taking a cue from a probable recession in the US and a global economic slowdown.

Weakening of the American economy is bad news, not just for India, but for the rest of the world too.

So what is a recession?

A recession is a decline in a country's gross domestic product (GDP) growth for two or more consecutive quarters of a year. A recession is also preceded by several quarters of slowing down.

What causes it?

An economy which grows over a period of time tends to slow down the growth as a part of the normal economic cycle. An economy typically expands for 6-10 years and tends to go into a recession for about six months to 2 years.

A recession normally takes place when consumers lose confidence in the growth of the economy and spend less.

This leads to a decreased demand for goods and services, which in turn leads to a decrease in production, lay-offs and a sharp rise in unemployment.

Investors spend less as they fear stocks values will fall and thus stock markets fall on negative sentiment.

Impact of a US recession on India

A slowdown in the US economy is bad news for India.

Indian companies have major outsourcing deals from the US. India's exports to the US have also grown substantially over the years. The India economy is likely to lose between 1 to 2 percentage points in GDP growth in the next fiscal year. Indian companies with big tickets deals in the US would see their profit margins shrinking.

The worries for exporters will grow as rupee strengthens further against the dollar. But experts note that the long-term prospects for India are stable. A weak dollar could bring more foreign money to Indian markets. Oil may get cheaper brining down inflation. A recession could bring down oil prices to $70.

Between January 2001 and December 2002, the Dow Jones Industrial Average went down by 22.7 per cent, while the Sensex fell by 14.6 per cent. If the fall from the record highs reached is taken, the DJIA was down 30 per cent in December 2002 from the highs it hit in January 2000. In contrast, the Sensex was down 45 per cent.

The whole of Asia would be hit by a recession as it depends on the US economy. Asia is yet to totally decouple itself (or be independent) from the rest of the world, say experts.

How to fight recession

Tax cuts are the first step that a government fighting recessionary trends or a full-fledged recession proposes to do. In the current case, the Bush government has proposed a $150-billion bailout package in tax cuts.

The government also hikes its spending to create more jobs and boost the manufacturing and services sectors and to prop up the economy. The government also takes steps to help the private sector come out of the crisis.


Stock markets & recession

The economy and the stock market are closely related. The stock markets reflect the buoyancy of the economy. In the US, a recession is yet to be declared by the Bureau of Economic Analysis, but investors are a worried lot. The Indian stock markets also crashed due to a slowdown in the US economy.

The Sensex crashed by nearly 13 per cent in just two trading sessions in January. The markets bounced back after the US Fed cut interest rates. However, stock prices are now at a low ebb in India with little cheer coming to investors.

Current crisis in the US

The defaults on sub-prime mortgages (homeloan defaults) have led to a major crisis in the US. Sub-prime is a high risk debt offered to people with poor credit worthiness or unstable incomes. Major banks have landed in trouble after people could not pay back loans (See: Subprime pain: Who lost how much)

The housing market soared on the back of easy availability of loans. The realty sector boomed but could not sustain the momentum for long, and it collapsed under the gargantuan weight of crippling loan defaults. Foreclosures spread like wildfire putting the US economy on shaky ground. This, coupled with rising oil prices at $100 a barrel, slowed down the growth of the economy.

Past recessions

The US economy has suffered 10 recessions since the end of World War II. The Great Depression in the United was an economic slowdown, from 1930 to 1939. It was a decade of high unemployment, low profits, low prices of goods, and high poverty.

The trade market was brought to a standstill, which consequently affected the world markets in the 1930s. Industries that suffered the most included agriculture, mining, and logging.

In 1937, the American economy unexpectedly fell, lasting through most of 1938. Production declined sharply, as did profits and employment. Unemployment jumped from 14.3 per cent in 1937 to 19.0 per cent in 1938.

The US saw a recession during 1982-83 due to a tight monetary policy to control inflation and sharp correction to overproduction of the previous decade. This was followed by Black Monday in October 1987, when a stock market collapse saw the Dow Jones Industrial Average plunge by 22.6 per cent affecting the lives of millions of Americans.

The early 1990s saw a collapse of junk bonds and a financial crisis.

The US saw one of its biggest recessions in 2001, ending ten years of growth, the longest expansion on record.

From March to November 2001, employment dropped by almost 1.7 million. In the 1990-91 recession, the GDP fell 1.5 per cent from its peak in the second quarter of 1990. The 2001 recession saw a 0.6 per cent decline from the peak in the fourth quarter of 2000.

The dot-com burst hit the US economy and many developing countries as well. The economy also suffered after the 9/11 attacks. In 2001, investors' wealth dwindled as technology stock prices crashed.

Monday, June 25, 2007

Customer relationship management (CRM)

Customer relationship management (CRM) covers methods and technologies used by companies to manage their relationships with clients. Information stored on existing customers (and potential customers) is analyzed and used to this end. Automated CRM processes are often used to generate automatic personalized marketing based on the customer information stored in the system.

There are three fundamental components in CRM:

A. Operational - automation of basic business processes (marketing, sales, service)
B. Analytical - analysis of customer data and behavior using business intelligence
C. Collaborative - communicating with clients.

A.Operational CRM

Operational CRM provides automated support to "front office" business processes (sales, marketing and service). Each interaction with a customer is generally added to a customer's history, and staff can retrieve information on customers from the database as necessary

1.Sales force automation (SFA) or Sales force management systems
2.Customer service and support (CSS)
3.Enterprise marketing automation (EMA)

B.Analytical

Analytical CRM analyses data (gathered as part of operational CRM, or from other sources) in an attempt to identify means to enhance a company's relationship with its clients. The results of an analysis can be used to design targeted marketing campaigns, for example:

* Acquisition: Cross-selling, Up-selling
* Retention: Retaining existing customers (antonym: customer attrition)
* Information: Providing timely and regular information to customers

C.Collaborative CRM

Collaborative CRM focuses on the interaction with customers (personal interaction, letter, fax, phone, Internet, e-mail etc.) Collaborative CRM includes:

* Providing efficient communication with customers across a variety of communications channels
* Providing online services to reduce customer service costs
* Providing access to customer information while interacting with customers