ON NON-DISCLOSURE AGREEMENTS (NDA)

So you think it's normal to ask investors to first sign an NDA?

Read this ancient and definitive post on why asking them to sign an NDA up front is a very, very bad idea.

Also see: "The Relationship Method"

Matt Mochary wrote a text on what he calls an alternative (more time-consuming) method; IMO, it is just good old social engineering applied to raising funds.