Facebook has been in the news again with another high profile acquisition. Just over a month after acquiring WhatsApp the social media giant has now purchased the leaders in virtual reality Oculus Rift. The list of companies and services Facebook has acquired is staggering, at least 45 in total. Zuckerburg's first acquisition came in 2007 when he purchased Parakey. The details around the deal are unclear but it seems pretty obvious from reading the Mashable article this was a pure acquihire, "