It's faster than opening Word and typing it in, or opening a dictionary ap. (I don't think I've cracked open a dead-tree dictionary even once in the last couple of years, but I look up words several times a week.)
Wow... Im so tiny and this morning I went to my mom ( im dressed in 4 big (compared to me) size 18 buff jackets, and she's all like "WHAT DID YOU EAT?!?!" I ended up wearing a tight tee and a light jacket. Wow!