Watch in higher quality here:http://www.youtube.com/watch?v=lUR2E8l3bi8&fmt=18Twitter--the messaging service that lets you send instant, short updates to people around the world--is fast becoming a mainstream communication tool.In this webcast, Sarah Milstein shows how to use Twitter and other micro-messaging services at work. She covers the the benefits and challenges of this exciting new medium, along with best practices and potential pitfalls you can avoid. 2.0, oreilly, social-media, technology, twitter, web, webcast