YC's Bufferbox is battling back: <a href="http://www.blogto.com/city/2012/10/bufferbox_wants_to_put_an_end_to_failed_delivery_notices/" rel="nofollow">http://www.blogto.com/city/2012/10/bufferbox_wants_to_put_an...</a><p>Now in 7 Eleven's, train stations and Sobey's (grocery stores).