Swipe Delay: D.C.’s entire taxi fleet was supposed to add credit-card readers by the end of this summer, but some services that are installing the devices can now apply for a one-month extension. -1

Pot Bubble: If you’re one of the few Washingtonians who are able to legally purchase medical marijuana, you should feel good about the fact that prices at approved District dispensaries aren’t too far off from what you’ll pay on the street. +3

The Next Episode: On that note, how well timed is this sign hacking? +2

Another Whackronym: Apparently the Rosslyn-Ballston corridor is now the Rosslyn-Out-to-Tysons Corridor, or ROTTC. -2

Yesterday’s Needle rating: 61 Today’s score: +2 Today’s Needle rating: 63