November 15, 2010 5:24 pm Facebook Email: One Stop Shopping? CEO Mark Zuckerberg unveils Modern Messaging system. It’s a combo of email, chat, texting and allowing you to track it all. US & World Videos 1:07 Britney Spears spotted as authorities respond to alleged hotel incident 2:15 Prince William and Kate Middleton ‘going through hell,' friend claims (report) 8:01 Lady Gaga's outfit changes, Rihanna's bold looks and more iconic Met Gala moments 2:48 Taylor Swift fans react to Jake Gyllenhaal and Sabrina Carpenter's ‘SNL' appearance 5:57 Why your monthly horoscope for May is looking lucky