Oculus Home is getting a full overhaul in the new Rift Core 2.0 update coming this December, which promises to add a level of user customization that will let you. Mar 19, 2012. Despite such robust growth, Groupon lost $256.7 million in 2011, worse than expected. Privately held LivingSocial, which is 31% owned by Amazon, had $558 million in losses on just $245 million in revenue. And they were the…