All Web 2.0

LinkedIn

LinkedIn is a business-oriented social networking site. Founded in December 2002 and launched in May 2003, it is mainly used for professional networking. As of 8 April 2010 (2010 -04-08), LinkedIn had more than 65 million registered users, spanning more than 200 countries and territories worldwide. The site is available in English, French, German, Italian, Portuguese and Spanish. LinkedIn's CEO is Jeff Weiner, previously a Yahoo! Inc. executive. The company was founded by Reid Hoffman and fou...

Google Buzz

Google Buzz is a social networking and messaging tool from Google, designed to integrate into the company's web-based email program, Gmail. Users can share links, photos, videos, status messages and comments organized in "conversations" and visible in the user's inbox. Buzz enables users to choose to share publicly with the world or privately to a group of friends each time they post. Picasa, Flickr, Google Reader, YouTube, Blogger, FriendFeed, identi.ca and Twitter are currently integrated....

DotSpots

DotSpots is a service that enables anyone to update the news in real-time with dots, or distributed objects of thought: mini-blog posts containing text, videos, images, documents, perspectives from the blogosphere, or eye-witness accounts from the scene. These dots appear as a stream of high-quality user-generated editorial content directly in-context of all relevant articles across the web, where they are rated and vetted for usefulness by readers — the wisdom of crowds. As a result, ...

Viewzi

Viewzi is a search engine company based in Dallas, Texas that is developing a highly visual experience that tailors the way users look at information based on what they are looking for. The search engine lightens the data overload by filtering and grouping results into several distinct interfaces. Users get over 16 "views" for their search including MP3 view (with a list of streaming audio you can play), album view (cover art and related musicians), plus specialized lenses for images, news, and...

Powerset

Powerset is working on building a search engine that can find targeted answers to user questions (as opposed to keyword based search). For example, when confronted with a question of the form 'which U.S. state has the highest income tax?', conventional search engines ignore the question and instead do a search on the keywords 'state, income and tax'. Powerset's product, on the other hand, attempts to use natural language processing to understand the nature of the question and then to search and...