StraightUpSocial News Links for 8/29/2008

Yahoo Shuts Down Mash, 0-4 On Social Networking

Michael Arrington of TechCrunch reports that Yahoo! is closing the doors to its social networking site, Yahoo! Mash.

LinkedIn Groups: Look who’s talking now?

Ben Guthrie of the LinkedIn Blog shares the details on the social network’s recent upgrades to LinkedIn Groups, including a group home page, discussion forums, and digest emails.

New Captions Feature For Videos

YouTube announces its new captioning feature, allowing users to add text captions to their uploaded videos.