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This toaster-looking gadget boosts your phone’s battery in seconds
(www.theverge.com)
This is a most excellent place for technology news and articles.
At which point even the ones who it does help will no longer be able to use it because it probably depends on an online connection for no good reason.
Didn’t even think of that, but true. The device would only work as long as a service provider is willing to support it. Or your subscription runs out.