Gwyneth Paltrow has joined Twitter and Facebook! The actress is no stranger to the web since launching her lifestyle website and newsletter GOOP back in 2009, but until now, she hadn't signed on for the social-networking sites. Gwyneth sent her first message this morning, sharing a video and telling viewers: "Hi! I'm trying to join the 21st century!" Twitter and Facebook are Gwyneth's latest new endeavors in a year that has already seen her reprise her role on Glee, publish a cookbook, and film a role in the upcoming movie Contagion. She seems to be everywhere lately, sharing her talents and expertise on food, fitness, and even parenting through her website, interviews, and TV appearances. So tell us — will you follow Gwyneth on Twitter or do you already get enough?