Twitter Twits du Jour (Aug 6) Aug 7, 2010 <1 min read I'm at 7-Eleven (507 W Casino Rd, Everett). 4sq.com/ceFBH7 #I'm at Costco (10200 19th Ave SE, Route 527, Everett). 4sq.com/4yZsJt #Erik's Tumbles - Introducing The NEW Sharpie LIQUID PENCIL bit.ly/a6MnG0 #