Lol! I had to figure out some of this stuff – how do you think I can rack up so many points otherwise! A couple of other tricks – if you haven’t read the news feed for a while and know you’re behind more than a page or two, scroll to the bottom and right click ‘Load More’ and open it another tab. Then start liking and answering from the bottom of the page. When you’re done flip to the other tab, and repeat if neccessary.
If nothing else, you can do quick scrolls to find the people you are want to check on.