Good idea. Also, I'd like to be able to send electronic documents via the mail and for the USPS to introduce a legally acceptable signature they can put on the

Good idea. Also, I'd like to be able to send electronic documents via the mail and for the USPS to introduce a legally acceptable signature they can put on the document. That way I can do all of my legal stuff easily through the mail or send that letter to grandma who's off the grid.