ChaCha (Search Engine), founded in 2006 by Scott A. Jones and Brad Bostic, was an American human-guided search engine that provided free, real-time answers to any question through its website or by using one of its mobile apps.
Friendster was a Social Network Gaming Site, founded by Jonathan Abrams and launched in March 2003. It can be regarded as one of the original social networking sites. Friendster allowed users to play online games, send messages, share images/videos and write comments.
Katerra was an American technology-driven off-site construction company. It was founded in 2015 by Michael Marks, former CEO of Flextronics and former Tesla interim CEO, along with Fritz Wolff, the executive chairman of The Wolff Co.