"FON, the Madrid, Spain-based WiFi services company has bought the popular Firefox extension, GSpace2, for an undisclosed amount, according company officials. The FireFox extension was developed by Rahul Jonna and allows users to treat their GMail accounts as an online file storage locker."

Source: http://gigaom.com/2006/11/05/fon-gspace/

Wow, I wonder how much he made...
Good for him.