A new tool called 'Rewind' has been developed for the latest generation of Macs which effectively stores everything you've ever displayed on your screen. It can also record your Zoom meetings and transcribe them, aiming to give you a search engine for your life.  

None of this information ever leaves your laptop, so there is nothing in the cloud. Their big breakthrough is the crazy compression they've been able to accomplish.  

The founder, Dan Siroker, is a serial entrepreneur who started to lose his hearing and found a super power when he got a hearing aid. It got him thinking, what if we could do the same for our memory?