Another content aggregator launches publicly today, this one with the aim of bringing all of the user generated content you upload across the web into one place where you can organize, search, and share it more easily. The site is called Second Brain and takes advantage of APIs provided by the likes of Flickr, Blogger, YouTube, and eleven other web services. With each, you can provide your username and password, and Second Brain will start keeping track of the content you post there. This content can be kept private or shared with others. The service is essentially a social network for sharing UGC with friends, which in a way makes it a more advanced version of the website sharing ...