The CEO of what was once the most popular socially-driven news site has now dug himself out of the company, leaving Digg's original founder to take the spot as chief executive. Last week, Jay Adelson was a 29-year-old CEO of one of the hottest online properties. That is, it used to be... Today, Adelson is looking ahead to new entrepreneurial endeavors as he has cut his ties with the news aggregation Web site. When Digg was first created, it quickly skyrocketed into online popularity as the first site of its kind. Users can share a news story and then send it to their friends. If the friends like it, they can "digg" it and pass it on.