I find myself zooming nearly 80% of the sites I visit now, including Google Docs. And I'm always a little bummed that Google's Spreadsheets give me this warning:
"Your browser's current zoom setting is not fully supported. Please reset to default zoom."
Same here; since Chrome remembers your zoom settings per-domain, I sometimes forget which sites I'm viewing zoomed versus in the default sizes, so when I use a fresh browser or a different computer it comes as a surprise how unreadable some of my frequently visited sites are (HN being one).
"Your browser's current zoom setting is not fully supported. Please reset to default zoom."