Jill Duffy tweeted...
View Jill Duffy's timeline and complete journalist profile →I participated in this amazing project, an independent test of all the U.S. mobile carriers. Very cool maps & info http://t.co/lm0YaI4Y
— Jill Duffy (@) May 23, 2012
Sign up to discover more journalists who cover and more.
Create An AccountShare This Profile
