The anonymous donor claims he had a sudden windfall in the San Francisco real estate market and is doing this as a way of giving back to the community (along with more traditional philanthropy). Any and all can follow the clues about his frequent "cash drops" like this one.
#nomakeupselfie had humble beginnings, as a gesture of support from one female author to another about criticisms regarding her looks. However, after others began taking part and adding "#breastcancerawareness" and other tags, the donations began pouring in to Cancer Research UK. In just over two days, the organization has raised over £2 million, with more to come. Check out a video about the phenomenon here: