Summer's winding down, but that doesn't mean celebs have slowed their online activity. In fact, stars have been fully using the Internet to their advantage this August, from debuting album titles to raising awareness of social issues. Keep clicking to see which stars were the Web savviest this month.
On Aug. 19, Beyonce made her mark on the Web thanks to her "I Am Here" music video. B debuted the clip in honor of World Humanitarian Day, along with a request for fans to do something good for the world and spread the word about the cause on social media via Thunderclap. The goal was for 1 billion people to share the message, but by 9 a.m. on Aug. 19, they exceeded their target by more than 33 million people. Go, B!