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What AT&T is doing to help prevent the spread of Jul 15, 2020 AT&T Internet Reviews | 2020 ISP Guide | U.S. News Apr 21, 2020
AT&T internet customers in the legacy SBC region of AT&T were already on the AT&T Yahoo! service. On April 2, 2008, the new att.net powered by Yahoo! was launched.  AT&T began migrating customers off the old Worldnet portal and onto the Powered by Yahoo! portal in December 2008, and the final migrations were completed in May 2010.
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