Micro blogging
Send messages, files, links, and events to your friends. Create a network of friends and share stuff.
Tumblr makes it easy to share text, photos, quotes, links, music, and videos, from your browser.
Present.ly is a micro-blogging communication tool for your company. Give employees the ability to privately collaborate with colleagues.
Tinker helps you stay on top of your favorite events by showing you the latest buzz from Twitter and across the social web.
Posterous is a dead simple way to put anything online using email. You can post text, photos, MP3's, documents and video to your own site.
Create short blog-style posts to share over micro-blogs. Runt.ly posts can include linked photos, embedded videos and more.
Plurk is a free social networking and micro-blogging service that allows users to send links or short messages up to 140 text characters in length.
Soup is a tumblelog, a blog that can do more than just text: post links, quotes, videos, audio, files, reviews and events.
Shout'Em is a platform on which you can easily start co-branded micro-blogging networks.