[hasmanean]

People who don’t close tabs because they unconsciously don’t want to lose their search history.

At the end of the day your search history should be fed into a personal search engine which digests the data and figures out which pages were most useful to you (maybe by helpful browser buttons)…and uploads that into some open database. This can then be the basis for a new type of search engine.

It could be implemented trivially on something like Mighty, since everyones browsers run in the same datacenter.