I'm often curious to what everyone (dev types, I'm assuming here) us a lot of trackpad for? I"m typically using "space bar" to scroll web pages, and often optio

I'm often curious to what everyone (dev types, I'm assuming here) us a lot of trackpad for? I"m typically using "space bar" to scroll web pages, and often option-up/down for paging up and down. I do love and think my MB Air trackpad is superior, but it's never been a deal breaker when I use my Lenovo at work.