From an email to me from Mark Douglass of Longbow Research, by permission:
"This might be dangerous, but you could also let your readers know that if they want to participate in upcoming surveys they can email us. If they become a contact then they get the entire report, too. We really don't need 100+ more contacts but it's always nice to get a few more--at least at the senior or exec level b/c then they would probably have a bigger picture view."