Lady Gaga's social network mixes inspiring and iffy content.
Cloud-based video-creation site makes collaborating easy.
This impressive database of fine and classical art features museum collections from around the world and lets kids curate their own galleries for study and inspiration.
Safe virtual world with fun, space-age games.
Interactive space map needs an update.
Create beautiful books to share online and in print.
YouTube-like site for kids is good for play and discovery.
Semi-social site helps users collect images for inspiration.