If you have any problems with the registration process or logging in to your account, please contact us at sms@telegram.org Pure instant messaging — simple, fast, secure, and synced across all your devices. Over 100 million active users in two and a half years. FAST: Telegram is the fastest ...

StumbleUpon | Surprise Yourself. Escape the ordinary. StumbleUpon takes the boring ol’ Internet and makes it way more awesome by only showing you stuff you like. Tap or click on the Stumble button and explore an epic wonderland of videos, photos, and web pages personalized just for you. Download the free ...

Twitter is a free app that lets you connect with people, express yourself, and discover more about the things you love. Hear about breaking news first. See what your favorite celebs, athletes and public figures are chatting about. Catch a glimpse behind-the-scenes at the Oscars, concerts, sporting events, and more ...

• Watch videos recommended just for you • Use Facebook Groups to get things done, discuss similar topics, and more • See what friends are up to • Watch and interact with live video • Share updates, photos and video • Get notified when friends like and comment on your posts • NEW

TED's official app presents talks from some of the world's most fascinating people: education radicals, tech geniuses, medical mavericks, business gurus, and music legends. Find more than 1700 TEDTalk videos and audios (with more added each week) on the official TED app -- now for Windows.