twitter tools follow back

Citing people on Twitter without being boring?
Hello, I'm trying to expand my twitter. I use a tool that shows me all the people I am following, which do not follow me. I want a message to all those people and ask them to follow me, but I will let people that are following me a message. I decided to talk @ home with a simple "hey follow me back" message. However, I would say this many times people do not want to be boring and the flood of new people making these posts. If I delete the line after I mail recipient does not see them? Is it possible for me to talk about all those people without disturbing people who already know? Thanks for your help!
Just do http://support.twitter.com/articles/14023-what-are-replies-and-mentions slowly, I guess.
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