That’s always the challenge. Using technology and the internet helps make it much easier for investors to participate in your offerings. And if you’re using an exemption that allows for “general solicitation” (e.g. 506(c), 4(a)(b) crowdfunding, Reg A+) then you can promote your deal to the world via Facebook, Twitter, customer mailing lists, and a blimp circling the Super Bowl if you want (just make sure that people invest on your website where all your disclosures and offering documents are located).