Why Puerto Rico to be the 1st place to have ara phone? topic

I just read this question from projectaratalk.com
http://projectaratalk.com/viewtopic.php?f=2&t=69
I think that it is a good question to share to everyone


According to wiki, there are only 3 million people. Why google choose there? Not confidence enough to Ara phones?

Population
- 2014 estimate 3,548,397[1] (133rd)
- Density 418/km2 (29th)
1,082/sq mi