The document summarizes the origins and histories of several internet phenomena including YouTube, Twitter, Rebecca Black, and some viral videos. YouTube was founded in 2005 by Chad Hurley, Steve Chen and Jawed Karim and was later acquired by Google for $1.65 billion. Twitter was introduced by Jack Dorsey in 2006 as a microblogging and social media service focused on short messages. Rebecca Black gained fame and fortune from her extremely popular yet poorly received song "Friday" in 2011. Several viral videos from Brazil and internationally are also mentioned that gained tens of millions of views each.