You can schedule Google News and Twitter searches to run automatically and have the results emailed to you. Between the two you’ll know whenever journalists, press releases, bloggers, or the Twiterrati take notice of a topic near and dear to your heart, like your organization, your favorite customer(s), or even your competitors.
TweetBeep does this for Twitter. http://tweetbeep.com/
Google Alerts does this for Google news and web searches. http://www.google.com/alerts
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