Facebook Buys Oculus -

of Facebook common stock, valued at $1.6 billion.

," a prototype headset that promised to finally make high-quality virtual reality a reality. It raised $2.4 million, ten times its original goal, and quickly became the "darling" of the gaming community. The Deal: A $2 Billion Surprise

Watch how Facebook's $2 billion acquisition of Oculus VR was reported as it happened in 2014:

An additional based on reaching specific milestones.