Last month, dental technology startup ONVI introduced a toothbrush with a camera built in, so users could get a close up look at their teeth as they slowly rot away in their heads. This, thankfully, is not that. In a lot of ways, Philips' new smart toothbrush is similar Oral-B's offering. The verbosely named Sonicare FlexCare Platinum Connected is a Bluetooth-enabled electric…
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