I have found that people are far more responsive on twitter, but the follow up email (after you have their attention) really needs to be special and RELEVANT.

I have found that people are far more responsive on twitter, but the follow up email (after you have their attention) really needs to be special and RELEVANT. Often this is a numbers game. Try lots of investors as each are at different stages (some have the readies, some may not be interested in your sector, etc)