It's the end of an era for Tumblr fans. David Karp, Tumblr's founder, has resigned from his CEO position after 11 years at the job. The company's operations chief, Jeff D'Onofrio, is taking the reins. Karp didn't go into detail about his reasons f... This post first appeared on Engadget | Technology News, Advice And Features, please read the originial post: here
