Topsy Labs
Topsy Labs was a social search and analytics company based in San Francisco, California. The company is a certified Twitter partner and maintains a comprehensive index of tweets, numbering in hundreds of billions, dating back to Twitter's inception in 2006.
Topsy makes products to search, analyze and draw insights from conversations and trends on the public social websites including Twitter and Google+.
The company was acquired by Apple Inc. in December 2013, and shut down December 16, 2015.
History
Topsy was founded in 2007 by Vipul Ved Prakash, Rishab Aiyer Ghosh, Gary Iwatani and Justin Foutts. The company has raised over USD $27 million in venture capital from BlueRun Ventures, Ignition Partners, Founders Fund, Scott Banister and other investors. The company has over 40 employees with offices in San Francisco and Washington DC and operates its own data centers.
In December 2013, Topsy was acquired by Apple Inc. for a reported value of around $225 million. On December 16, 2015, the Topsy service was shut down, and its website was redirected to an Apple support page discussing the search functionality of iOS 9.