Replace the U.S Postal service with national wifi service for all to email in place of paper mail.Cut cost and pollution

Replace U.S. Postal Service with a national wi-fi service for all to replace paper mail with email. Lower cost, no pollution from thousands of delivery trucks, personal trips to post office and wasted paper, don't kill so many trees, faster service, added benefit of offering easy access for all Americans across the country through national wi-fi system.
No required long term retirement benefits for millions of goverment employees to be paid by U.S. Citizens.