Tumblr founder’s mother gushes over billion-dollar baby

As a teenager, Tumblr chief executive David Karp would canvass the streets of New York City’s Upper West Side, offering to build websites for local businesses. After his freshman year of high school, the precocious, computer-savvy kid decided to drop out altogether to devote more time to his passion for technology.

via Business feed http://www.scmp.com/business/companies/article/1242602/tumblr-founders-mother-gushes-over-billion-dollar-baby