A look back at some of the Web 2.0 stories we covered this year:
April. Google released a competitor to social bookmarking discovery service provider StumbleUpon. Microsoft launched Silverlight beta, its answer to the Adobe Flash platform.
May. eBay paid $75 million to buy StumbleUpon. Facebook launched its developer platform. Google released Gears, its open source toolset for taking web apps offline. And MySpace bought photo-hosting site PhotoBucket.
July. Social network Hi5 received $20 million in its first institutional round of funding. Hyperlocal events site Going.com raised $5 million in fudning. Facebook bought Parakey, Firefox developer Blake Ross’ hybrid web/desktop platform.
August. Dave Sifry resigned from his position as CEO of blog search and ranking service Technorati as layoffs were announced. Contact management service Plaxo launched its social alerts service, Pulse. Disney bought kids’ social network Club Penguin for hundreds of millions of dollars.
September. Personalized news aggregation service Findory announced it would shut down in November. Personal and social finance tool Mint won the TechCrunch40′s $50,000 grand prize. Facebook opened up to public search, hinting at privacy controversies to come. Yahoo bought web-based email and collaboration service Zimbra for $350 million while Adobe purchased Virtual Ubiquity, maker of Buzzword, a web-based word processor.
October. eBay unveiled its foray into social networking, Neighborhoods. Microsoft invested $240 million in Facebook at a valuation of $15 billion and got the rights to sell third-party ads on the Facebook network. Google answered Facebook’s application platform with its announcement of OpenSocial, a common set of APIs for building social networks online.