Absolutely. If you’re in a position to offer them a zero cost or discounted version of the idea/support then please let them know. You can also invite them to connect with you directly by signing up to your newsletter or attending a seminar etc.

You can view the contact information for all applicants for your idea in your main dashboard:

Alternatively, you can also export a list of all users connected to your idea by going into the members menu and clicking the "Download Members" option: