Would It Be Feasible to Track Mail Via RFID?

I do advertising, and have had serious issues with direct mail. I send flyers 50 miles out from a set zip code. Could I use RFID to monitor the mailings in real time from any location? —Name withheld ——— It would be impossible to track your flyers via radio frequency...

RFID News Roundup

Holland 1916 Nameplate RFID tags facilitate mine-safety inspections; Tyco Retail Solutions opens new Retail Performance Briefing Center; Omni-ID launches Global Technology Licensing Program; Researchers at University of Wollongong in Dubai design RFID-enabled iPurse; Intelligent InSites integrates WaveMark’s RFID-enabled Enterprise Visibility Solution; Sony intros Xperia sola NFC-enabled smartphone with two NFC tags.