Digg relaunches as an aggregator of AI news and social media commentary, with plans to expand to other topics; its previous reboot shut down in March (Sarah Perez/TechCrunch)

Sarah Perez / TechCrunch: Digg relaunches as an aggregator of AI news and social media commentary, with plans to expand to other topics; its previous reboot shut down in March — Digg is back from the dead. Again. — Just months after launching, the reboot of Kevin Rose's once-popular link-sharing site shut down in March, as the company shifted course.