The Globe reports [2] that Amazon has agreed to start collecting Massachusetts sales tax on purchases made by Bay Staters starting in November, 2013.
Links:
[1] http://www.universalhub.com/users/adamg
[2] http://www.boston.com/businessupdates/2012/12/11/bezos/WQnr45OToz1PRMH7nLcPZM/story.html
[3] http://www.universalhub.com/taxonomy/term/6698
[4] http://www.universalhub.com/taxonomy/term/36
[5] http://www.universalhub.com/taxonomy/term/7710