As mentioned in the Twitter offers post,  you can Sync your American Express card with your twitter account and tweet #AmexTFF10 to get $10 back on next $10+ purchase in Lower Manhattan below 23rd street (Zip codes: 10011, 10014, 10012, 10013, 10008, 10006, 10004, 10005, 10038, 10002, 10009, 10003, 10010) (QtyLtd, Exp 4/29). I just [...]