Micro-blogging is the practice of sending brief text updates, photos, audio/video clips or links and make these public on a website and/or distributed to a private group of subscribers. These messages can be submitted by text messaging, instant messaging or e-mail.
Many micro-blogs provide short commentary about medical news, medical specialties or a company's products and services.
Twitter is a free social networking and micro-blogging service that allows its users to send and read other users' updates, which are text-based posts of up to 140 characters in length.
In countries all around the world, people follow the sources most relevant to them and access information via Twitter as it happens—from breaking world news to updates from friends. I listed 10 reasons how doctors can use Twitter.
Twellow.com is currently grabbing publicly available messages from the Twitter.com micro-blogging service. They analyze and categorize each of the users responsible for those messages into the various categories found at Twellow.com.
Friendfeed is an aggregator that collects the updates from social networking websites, social bookmarking websites, blogs and micro-blogging updates, as well as any other type of RSS feed. Users can use this stream of information to create customized feeds to share (and comment) with friends. It offers a unique way to discover and discuss information among a community.