Twitter Twits du Jour (Mar 8) Mar 9, 2014 <1 min read Placebo buttons do absolutely nothing, and they are everywhere thauv.in/1h1UqDO # I'm at @WalmartHub (Everett, WA) 4sq.com/1ckC1oA # I'm at US Post Office - @USPSConnect (Everett, WA) 4sq.com/1qjpky2 #