Upload your memories. If you don't like them, swap them with someone else.
Tagged memories will be available by topic to make searching easy.
Will a subscription model work? Or should it be more like your favorite downloadable media service?
At a fictitious brain.com type site, you'll be able to remember anything... wholesale. It may not be impossible after all, or at least, much more possible than people think today...
hint: think more 'gaming' and game-theory than 'neuroscience' - which is a fuzzy topic and means 1,000 different things to 1,000 experts depending on their academic specialty.