The new Myspace makes strides in its comeback by connecting music lovers with tour dates--and one day, maybe tickets and merchandise.

The new Billboard.com taps tech to put the brand's playlists front and center and make them usable for stream-happy users.

The new service pulls in elements of Facebook, Twitter, Tumblr, Instagram, YouTube, and SoundCloud on a single platform to make content creation easy.

Six other businesses that were acquired for millions before they ever made much, if any, money.

Social-networking innovators are highly visible and post all over the place--Tom from MySpace is all up in Google+, Zuckerberg's tweeting, and so on. See if you can name that social-media heavyweight based solely on what he wrote.

Aw, look at the cute baby! Coloring in the lines! Riding that trike with ease! Looping those shoelaces into bunny ears! You're all grown up now, Twitter!