Safari Books Online is a digital library providing on-demand subscription access to thousands of learning resources.
In 2008, Facebook surpassed MySpace as the most popular social network of its time. Today, the fastest-growing demographic on Facebook is the over-35 crowd, and over 200 million users are active on the service.[68] Facebook is a simply laid-out website that allows users to share information about themselves, from their names to their birthdays to their favorite television shows, and then some. Facebook also has a very heavily used photo tool that encourages “tagging.” Tagging is an image-sharing tool that allows you to identify other Facebook users in your photos. Once you tag an individual, she is alerted to the existence of the photo and the photograph shows up in her personal profile. An additional feature of Facebook is its virtual gifts feature, which allows individuals to give gifts to their friends, and most gifts are valued at $1, which can be paid by credit card. Further, Facebook supports third-party....