After a long period of closed beta testing, Microsoft made the beta version of its social network, Socl, available to everyone on Tuesday. Socl initially launched this May. It’s a search-meets-social networking website that looks more like Pinterest than Facebook, and has until now been open only to invited Microsoft employees and college students. Now, everyone with a Microsoft or Facebook account can access it. The sign-up process is effortless – users simply connect their account with Socl. They can then start sharing content (e.g. photos, videos, links), and comment on other members’ posts. Socl’s forever-scrolling front page, which shows posts from all users, can feel a bit random. Also, though the site offers categorization by tags, it’s not that easy to find the content you want. Overall, Socl is a solid time-waster at this point. As more people join, the site should become more usable, but the question is: With all the social networks and content-sharing sites around, will Socl ever reach critical mass? What do you think? Share your thoughts in the comments below.