Minimal: Every page I visit grab headings (easy) / major themes (harder). Add these to a local searchable db. Type ahead interface showing summary info. Bonus p

Minimal: Every page I visit grab headings (easy) / major themes (harder). Add these to a local searchable db. Type ahead interface showing summary info. Bonus points - automatic summarization (GAN based perhaps?) My Pipe dream... I wonder what the actual quantity of unique text a human actually sees in their lifetime. Could this be easily stored? Like every word I ever read anytime?