Excel is a powerful tool. At first glance, it looks like a bunch of boxes that you type numbers into, but it does so much more. Of course, you need to know how to use it. We have tons of articles here at MakeUseOf that will teach how to be better at Excel
I mind my own business and don't even watch what others are doing unless their actions are going to effect me personally in someway. To many people are so cought up into snooping into the lives of others cause they must feel theirs is boring.