I used this feature for a while and then turned it off. Now I cannot find it to activate it again. Basically you set up a variety of preferences - say science, history, … (閱讀更多)
I used this feature for a while and then turned it off. Now I cannot find it to activate it again. Basically you set up a variety of preferences - say science, history, etc. and then you would use this feature. If you liked something you could give it a thumbs up, and if not, a thumbs down so you could focus the search on what you were looking for.