Pownce.com is a new site brought to you by Kevin Rose of digg.com and a few other programmers. Pownce is a way to send stuff to your friends. What kind of stuff? You can send just about anything: music, photos, messages, links, events, and more. You can do it all on the web site, or install some lightweight desktop software that lets you get out of the browser.
If you want a free pownce.com invite, send me an email.