More on Yahoo/Tumblr: Kara Swisher reports Tumblr founder/CEO David Karp "will stay at Yahoo for...

|By:, SA News Editor

More on Yahoo/Tumblr: Kara Swisher reports Tumblr founder/CEO David Karp "will stay at Yahoo for four years at least and retain much control over the service." There are concerns about how Yahoo will deal with Tumblr's mountains of adult content without alienating either users or advertisers; Peter Kafka argues they're overblown, since marketers decide which blogs to advertise on. Discussing comparisons between Tumblr and Yahoo's failed 1999 acquisition of Geocities, Tristan Louis notes Tumblr has seen top execs jump ship. But he adds Geocities faltered in part because a flood of ads drove users away; Tumblr seems to be avoiding that pitfall.