Grandcentral is a personal phone management system that manages voicemail messages, lets you listen to voicemail messages while they are being left, switch an active call from your cell to your landline phone (or the reverse), have different callers routed to different phones, have calls routed to different phones depending on the time of day, filter to weed out unwanted telemarketer calls automatically... Google bought the company yesterday
Spock helps users find and discover people. Over one hundred million people already indexed and millions are added every day.
Both of these sites are in invitation only beta release. Please let me know if you are interested in an invitation by adding a comment.