What are some alternatives?
Reddit - Reddit gives you the best of the internet in one place. Get a constantly updating feed of breaking news, fun stories, pics, memes, and videos just for you.
Twitter - Connect with your friends and other fascinating people. Get in-the-moment updates on the things that interest you. And watch events unfold, in real time, from every angle.
Raddle - A web-based forum where users submit links, pictures, posts, etc.
Facebook - Connect with friends, family and other people you know. Share photos and videos, send messages and get updates.
Digg - Digg delivers the most interesting and talked-about stories on the Web right now.
Diaspora - The online social world where you are in control.