Continue to Be Afraid Until Further Notice: By now, Osama bin Laden‘s body lies somewhere near the bottom of the Arabian Sea, having been deposited there off the U.S.S. Carl Vinson after he was killed by Navy SEALs yesterday. But anyone who thought that would mean the elaborate, and expensive, security apparatus set up around D.C. and the nation since Sept. 11, 2001, hasn’t been paying enough attention. District officials went out of their way to warn of heightened danger from attacks even now that the al-Qaida boss is dead. On Metro, which seems only to have been the target of a would-be terrorist the FBI recruited for a fictional plot, police patrols and other security measures were increased. Years from now, will anyone even remember that bin Laden was the original reason for all this stuff? -3

Bin LadenShare: There’s an answer to one question about the cheering hordes that materialized outside the White House last night—how did they get there? By Capital Bikeshare. The service reported a big spike between 10 p.m. and 2 a.m. last night, with 558 rentals—far more than you’d expect for the middle of a Sunday night. That leaves the answers to other questions—questions like, where did they get all the flags and beer?—still unknown. +2

Water Back to Normal: Switching on the faucet should no longer evoke strong memories of childhood swim meets; D.C. Water has stopped using chlorine as a disinfectant and gone back to the odorless chloramine the agency uses for all but a few weeks each year. (Feel free to make your own jokes about lead here.) +2

Maps R Us: Been dreaming about a map of the building shapes in the District? How about land height in the city? Or commercial vs. residential zoning? All of these can now be yours, thanks to the geographic information system data D.C. officials make available. The real magic, of course, would be to combine some obscure piece of city data with a text-based map of D.C. +1

Friday’s Needle rating: 63 Today’s score: +2 Today’s Needle rating: 65