https://www.cnet.com/news/verizon-is-cutting-off-its-location-data-sharing-contracts/

Verizon and AT&T are hanging up on companies that boasted they could track any American with a phone. 

In a letter sent to Sen. Ron Wyden, a Democrat from Oregon, Verizon's chief privacy officer Karen Zacharia said the company was ending its contracts with location aggregators like LocationSmart and Zumigo.