If you happen to be on a mac, control-option-command-8 is your friend. Also, the readability bookmarklet does wonders for the appearance of sites like these. (And thanks to the people on HN who originally introduced me to these)
Ditto for if you go to Best Buy or any other non Apple store that sells Macs. They never know about this delightful key combo. </8 year old level of humor>