The document discusses how social media is redefining many aspects of modern life and business. It notes that social media allows information to be shared more widely and quickly than ever before, reaching massive audiences in short periods of time. The document also provides tips for businesses on developing a successful social media strategy, including establishing goals, learning about target audiences, choosing appropriate channels, engaging communities, and analyzing results. The overall message is that social media represents a major shift and that businesses need to actively participate to take advantage of the opportunities it presents.