The Facebook platform has been Zynga's sole breadwinner for the better part of its five year history. Approximately 90% of the social gaming company's revenue came via the social media giant over the last three years, bar 2012. However, this has since changed, with revenues received via the platform diminishing subsequently, every quarter. Zynga has tried to up its game on the mobile platform gaming by acquiring a selection of small companies over the last year. In 2012 the company made a $200 million acquisition of OMGPOP, which operated in the mobile space. However, it seems this did not pay off, as witnessed with the closure of OMGPOP. The unit's closure came consequently as part of the restructuring plan being implemented, which also saw more than 500 staff or 18% of the total workforce (2,800 employees) lose their jobs.