When it comes to Internet stocks, social media is an exciting space these days. Companies like Facebook (META 0.73%), Twitter (TWTR), and LinkedIn (LNKD.DL) are finding new ways to grow their networks and monetize users. Facebook generated a whopping $2.27 billion in advertising revenue during the first quarter, up 82% from the same period a year ago. Meanwhile, Twitter continues to forge ahead with its robust mobile marketing plans. Check out the presentation below to find out which social media trends are taking center stage this year, and which businesses are profiting as a result.