AT&T Turbo will boost your service for $7 per month

The carriers are at it again. | Illustration: The Verge AT&T has a new optional feature for some of its plans. It’s called Turbo, and for $7 per month, it provides “better speed and stability” for a line of service by upgrading your data plan to “performance data.” AT&T pitches it as an add-on to help with demanding applications, like gaming. Okay, but what exactly is “performance data?” It’s kind of unclear. But we can sort of piece it tog