HEATKEYS

Diigo Groups provides a ground-breaking collaborative research and learning tool that allows any group of people to pool their findings through group bookmarks, highlights, sticky notes, and forum.

Easily find more sites like those you like. Similar Sites helps you find related sites and alternatives based on community recommendations and computer analysis.

SquidUtils has complementry utilities and tools for Squidoo Lensmasters. Tools include: the advanced dashboard, lensmaster feeds, plus Amazon links and feeds.

PageGlimpse is a service providing web page screenshots for your application.

Search websites by tags, search related sites.

Twitter is without a doubt the best way to share and discover what is happening right now.

Google+ aims to make sharing on the web more like sharing in real life. Check out Circles, Messenger and Hangouts, just a few of the things we've been working on.