No, 3 million electric toothbrushes were not used in a DDoS attack::A widely reported story that 3 million electric toothbrushes were hacked with malware to conduct distributed denial of service (DDoS) attacks is likely a hypothetical scenario instead of an actual attack.
Very advanced this thing, quote from website:
Open API For developers, our open API allows for extra customization and control over your pleasure adventure. Create custom applications and share them with the rest of the Handy community on HandyFeeling.com – the possibilities are endless!