MTAC/Postal Service business customer survey — The Mailers’ Technical Advisory Committee (MTAC) and the Postal Service launched a survey in August 2009 to solicit business customer comments about five-day delivery. Of the 4,100 responses, 65 percent favor going to five-day delivery, while 32 percent oppose it. Seventy-six percent of respondents were very or somewhat optimistic that their business will be able to adjust to five-day delivery.