Bookface Companion by Y Combinator

Count down to Demo Day and search Bookface from your Omnibox.
Shows a count-down clock to demo day, allows you to search Bookface from your Omnibox and optionally provides a Bookface user sidebar in your gmail thread view.

A simple yet surprisingly effective tool for maintaining a sense of urgency.

Countdown originally built by YC alum Fouad Matin.