I only learned about GenerateBlocks by accident as well, and much like Brian I assume, while browsing the support forum somewhat randomly.
Wouldn’t a mailing list (Mailchimp etc.) be much better to keep people in the loop? I wouldn’t mind receiving a newsletter once a month, or whatever, just to hear about what new and updated products you guys have been working on. I’m not on Facebook (anymore; and do not intend to go back;-)