A number of tools can help you find and manage mentions of your company online
backtype.com
WHAT IT DOES: Sends you alerts when a comment is made that includes your company name or brand
blogpulse.com
WHAT IT DOES: Searches blogs for mentions of your company
boardreader.com
WHAT IT DOES: Searches message boards, forums, videos, and Twitter
google.com/alerts
WHAT IT DOES: Sends you alerts when your company or brand appears on the Web, blogs, news, video, or discussion groups
icerocket.com
WHAT IT DOES: Searches blogs, news, Web, MySpace, Twitter, Images
search.twitter.com
WHAT IT DOES: Searches for mentions of your brand or company on Twitter
tweetdeck.com
WHAT IT DOES: Monitors mentions on Twitter
technorati.com
WHAT IT DOES: Searches blogs, photos, and videos
Track and share business topics across the Web.