Facebook Red Envelope
Facebook tests more features that you can possibly imagine. It means that if you live in right part of the world you can see dozens of them weekly. But you cannot see Facebook Red Envelope even if you wanted.
It is planned feature which has the same meaning like in real world. And is about to be launched in some countries. Facebook Red Envelope is function that allow you to gift a money. It is tied directly to new PayPal possibility payment. It should be prepared mainly for Chinese New Year which are famous for red envelopes.
Would you consider to use such gift possibility to reward some friends or family if they are far away?