Maybe if each caller be required to pay a few cents per call, mass robocalling will be too expensive. Same for email spam: charge an e-stamp of a cent or two. I

Maybe if each caller be required to pay a few cents per call, mass robocalling will be too expensive. Same for email spam: charge an e-stamp of a cent or two. I'd be willing to pay a bit to keep out riff raff. Frequent callers/emailers who you register with your account can be given a discount.