Since co-founder and Executive Chairman Reid Hoffman initiated LinkedIn 13 years ago by inviting 350 of his contacts to join, the company has grown to claim 433 million... Microsoft Corp.’s $26.2 billion acquisition of LinkedIn Corp. gives new life to a social-networking pioneer that has built a huge user base of mostly white-collar professionals but has struggled to maintain its prominence in a competitive and fast-changing sector.

Source: Wall Street Journal June 13, 2016 20:29 UTC