This new $75 smart ring helps you remember things you'd likely forget - here's how

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ZDNET's key takeaways 

• Watch brand Pebble is launching a smart ring. 
• It's available for pre-order for $75 and ships in March. 
• The Pebble Index 01 reminds and note takes for you. 

Pebble is launching the Pebble Index 01, a thin smart ring fitted with a microphone for recording thoughts and reminders. 

Also: Wearing this smart ring reminded me of my Oura - then it started mimicking my voice

The world of mobile accessories is catching on to people's poor memories and lack of focus. Its solution? Help people quickly store and remember the stray thoughts and ideas they would've forgotten otherwise in a new, discreet form factor. 

'An external memory for your brain'

That's the idea behind Pebble's latest product, the Pebble Index 01, that it unveiled on Tuesday. Think of the Pebble Index ...