Why did Jeremiah Owyang quit his job at Forrester Research?

“From working in the marketing department of Hitachi Data Systems to joining business podcast network startup Podtech to becoming the first blogger to be hired as an analyst—Owyang’s last five years have been a model of professional advancement through social media,” wrote Marshall Kirkpatrick for ReadWriteWeb . So why did he announce last week that he’s leaving Forrester for a yet undisclosed future endeavor? We’ll reportedly find out this week. Until that time, here’s a cl…