Social networks offer a means for folk to express their feelings on a public forum, but while, for the most part, status updates on Facebook consist of the odd gripe or in-depth detailing of one's daily schedule, there are occasions where those upset, depressed, or otherwise feeling low, may wish to share more ominous, worrisome sentiments. When this occurs, there's often that fear that an individual isn't in a well state of mind, and may be considering taking their own life, and with Facebook connecting well over one-sixth of the world's population, the Menlo Park firm has now added some features that may prove life-saving.