in 2011. Crashlytics raised $1 million from venture capitalists Flybridge Capital Partners and Baseline Ventures as well as individual angel investors David Chang, Lars Albright, Jennifer Lum, Peter Wernau, Roy Rodenstein, Chris Sheehan, Ty Danco, Joe Caruso, and others. In April 2012, Crashlytics raised another $5 million from Flybridge Capital Partners and Baseline Ventures. Crashlytics has been installed on over 2.9 billion active devices and is the #1 most installed SDK for performance. Its Answers product became #1 in mobile analytics—beating out Google Analytics. In January 2013, Twitter acquired Crashlytics for over $100 million. Most of the package was in stock vesting over four years with an upfront payment of $38.2 million in common Twitter stock. In January 2017, Google acquired Crashlytics from Twitter. i2hub Chang created i2hub in his dorm room at the University of Massachusetts Amherst. According to Chang, he started i2hub with the idea that college students should have an avenue to interact with each other. He had started it in February 2003 for a month but shut it down due to its popularity. He then restarted it in March 2004, when he was better prepared for the traffic. Facebook also had just launched in February 2004, a month before i2hub. Both i2hub and Facebook were gaining attention from the press. In August 2004, Mark Zuckerberg, Andrew McCollum, Adam D'Angelo, and Sean Parker of Facebook launched a competing peer-to-peer file sharing service called Wirehog. Traction was low compared to i2hub, and Facebook ultimately shut it down. As users flocked to the service, it attracted the attention of ConnectU and founders Cameron Winklevoss, Tyler Winklevoss, and Divya Narendra. A partnership allegedly formed between i2hub and ConnectU. The partnership, called The Winklevoss Chang Group, jointly advertised their properties through bus advertisements as well as press releases. i2hub integrated its popular software with ConnectU's website, as part of the partnership. The team also jointly launched several projects and initiatives. Due to legal pressure, on November 14, 2005, i2hub was shut down. Facebook, ConnectU, and Winklevoss lawsuits On December 21, 2009, Wayne Chang and The i2hub Organization launched a lawsuit against ConnectU and its founders, seeking 50% of the settlement. The complaint says, "The Winklevosses and Howard Winklevoss filed [a] patent application, U.S. Patent Application No. 20060212395, on or around March 15, 2005, but did not list Chang as a co-inventor." It also states, "Through this litigation, Chang asserts his ownership