The document discusses how online social networks are changing how people work, play, buy, research, study, find information, meet people, date, share photos and videos, rate products and services, express opinions, travel, participate in activities, work out, sign up for services, check in to locations, and check out of locations. It provides statistics on social media usage in the United States and New Mexico. It also summarizes popular social media platforms like Facebook, YouTube, Twitter, and LinkedIn and how they are used.