Facebook (FB) CTO Bret Taylor is leaving the company to "work on an undetermined start-up," Kara...

|About: Facebook (FB)|By:, SA News Editor

Facebook (FB) CTO Bret Taylor is leaving the company to "work on an undetermined start-up," Kara Swisher reports. Taylor had been responsible for both Facebook's app platform and mobile efforts, and those jobs will now be handled by execs who were reporting to him. Fears had already grown that Facebook's weak IPO would contribute to significant talent defections - a major reversal for a company known for poaching top talent from peers.