https://www.afterdawn.com/news/article.cfm/2012/06/03/at_t_data-only_plans_coming_within_2_years
AT&T: Data-only plans coming within 2 years - AfterDawn
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https://www.techradar.com/news/phone-and-communications/mobile-phones/data-only-plans-are-inevitable-in-two-years-says-at-o-1083558
Data-only plans are "inevitable" in two years says AT&T CEO | TechRadar
Jun 3, 2012 - Voice will become data, and data will become expensive
data only plans
https://www.att.com/prepaid/mobile-hotspot-tablet/
Prepaid Data Only Plans for Tablets & Hotspot | AT&T
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