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Review website Yelp.com sued, accused of 'extortion'

Yelp.com, a website which posts reviews of businesses and services by users, is being sued, accused of "extortion" for allegedly offering to remove negative reviews in exchange for payment.

Bed bugs, bad service begone, thanks to online reviews

Bed bugs, bad service and terrible food used to be inevitable risks when traveling, but a host of online review sites such as Yelp and TripAdvisor are helping savvy consumers pick the best hotels and eat like locals.

Website that rates people triggers controversy

Peter Kazanjy, a little-known San Francisco entrepreneur, has launched a controversial new Web site that overnight has turned him into a very public and not very popular figure.

Communications overload

Jose Huitron had just hit the digital wall. Toggling between Facebook, Google, Twitter and a handful of other online communities, he found it hard to keep up with a constant barrage of tweets, texts and instant messages.

Augmented reality apps have some work to do

Imagine if you could wander the streets of a new city and get monuments and shops to reveal detailed information about themselves in a speech balloon. Like in a cartoon.

Facebook's 'Like' button becomes force in e-commerce

Whether you just bought an airline ticket or a pair of jeans online, chances are an Internet search preceded the transaction. Now Facebook hopes to make its vast web of online social connections another central ingredient ...

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