Conversation

Google Groups is all about helping users connect with people, access information, and communicate effectively over email and on the web.

Tinker helps you stay on top of your favorite events by showing you the latest buzz from Twitter and across the social web.

SezWho is a universal profile service for the social web that improves community engagement and enables content discovery to be added to social sites.

VoiceThread allows people to navigate slideshows and leave comments in 5 ways - using voice, text, audio file, or video (via a webcam).