TwitHawk – Twitter and Social Media Targeted Marketing
http://www.twithawk.com/

TwitHawk is a real time targeted marketing engine that will find people talking on twitter now by your chosen topic and location, allowing you to really hit your target mid conversation with ease. It will periodically search twitter for you and either auto-reply or generate a list of matches for you to respond to or reject from your twithawk account. This has been added to the tools section of Research Resources Subject Tracer™ Information Blog. This has been added to eMarketingBot Search Engine Resource Listing.