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The NBA “Super Team” Trend

In the summer of 2007, the Boston Celtics were coming off a 24-58 season (2nd worst in the NBA) and the future didn’t look promising. The team’s only star, Paul Pierce, wanted to leave the team unless the Celtics were able to sign or trade for better players. The Celtics did just that, by trading […]

Is it really okay to follow other investors in financial markets?

Even in an age of information and advanced technology, people still tend to follow the crowd when it comes to investing. Failing to utilize resources on the Internet or get professional help from analysts, people continue to make “compulsive, irrational decisions” believing in the wisdom of the crowd. Investment requires substantial amount of experience and knowledge […]

The Effects of Fake Online Reviews on Today’s Information Cascade

Positive reviews on the social-media ratings and review websites can be a very useful tool in today’s business marketing. TripAdvisor, for instance, has more than “60 million unique visitors per month and over 75 million reviews,” (1). The growing influence of these sites, however, has created a severe fraud of fake reviews by the companies […]

The Rise of Smartphones

The first BlackBerry released in 2002 was the first smartphone optimized for wireless email use. Smartphone technology has evolved significantly since then, and the market for smartphones is ever expanding. According to a recent Pew Research survey, more than 1 in 3 of all U.S adults owns a smartphone. Smartphone shipments worldwide are projected to […]

Google News Personalization: Challenges Facing Large Numbers and Churning

When you are looking for something, but you don’t even know what you are looking for, who can give you the answer? Search engines like Google are investing extravagant amounts of money to search engine optimization, or SEO. For users like us, that’s good news, because it means you will be getting recommendations that interest […]

Smart way to choose smartphones

http://news.cnet.com/8301-13579_3-57531285-37/iphone-5-traffic-volume-already-surpasses-samsungs-galaxy-s3/   The article shows a good illustration of how information cascades affects the consumer behavior in smartphone markets. The article describes how newly released iPhone 5 has exceeded Galaxy S III, which has been released for more than several months, in terms of Web traffic volume. The article quotes from the advertising network Chitika […]

Link Clicks: The Importance of Being on Top

Search marketing has taken the web by storm in the past couple of years as companies look for ways to further market their products to the general public.  All exposure, even in the slightest bit, is beneficial to a company.  As a result, the popularity of search result ads has skyrocketed with companies vying for […]

Bayes Theorem in Machine Learning

Bayes’ Theorem is the fundamental result of probability theory – it puts the posterior probability P(H|D) of a hypothesis as a product of the probability of the data given the hypothesis(P(D|H)), multiplied by the probability of the hypothesis (P(H)), divided by the probability of seeing the data. (P(D)) We have already seen one application of […]

Twitter, Groupthink and the Election

http://www.washingtonpost.com/opinions/dana-milbank-trending-on-twitter-groupthink/2012/10/23/130f6208-1d54-11e2-9cd5-b55c38388962_story.html   Groupthink is a psychological phenomenon that occurs as a result of crowd following. It describes when a group of people try to reach a consensus decision with minimum conflict, and as a result, they often do not challenge the consensus decision and do not fully evaluate alternative ideas or viewpoints. While this may result […]

Be Careful, You Are Targeted.

Start at a certain point, I found there’s always some sections on every website that I visited with some consumer products that I viewed online recently. This type of new web advertisement is called “targeted advertisement”. Make people receiving advertisements based on previous actions or purchases is a new trend of advertisement, which retargets customers […]

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