Ernst-Jan Pfauth, at The Next Web, does some back-of-the-envelope calculation and figures out that Facebook may be making $15M/year in selling "virtual gifts." And she smartly urges other social networking websites to jump on that bandwagon.

Anyone remember a slightly less scary looking Whoopi Goldberg hawking Flooze in the last bubble?

How long until our customers want to pay us in virtual credits we can use in Second Life to buy private education for our virtual children?