Charlie at Antipope posits where technology might get to in 10 years: he envisions massive amounts of tiny storage, and shifts in information tech like happened with transportation in the early 1990s.|
And with the storage comes Big Brother applications, too - though he tries to couch it in the positive.
Why would anyone want to do this?
I can think of several reasons. Initially, it'll be edge cases. Police officers on duty: it'd be great to record everything they see, as evidence. Folks with early stage neurodegenerative conditions like Alzheimers: with voice tagging and some sophisticated searching, it's a memory prosthesis.
Add optical character recognition on the fly for any text you look at, speech-to-text for anything you say, and it's all indexed and searchable. "What was the title of the book I looked at and wanted to remember last Thursday at 3pm?"