61.   Cryptography, once used only by spies and the military, has become an increasingly vital technology for insuring security in electronic commerce and personal privacy.

62.   D espite the flaws in the system, Congress has never held hearings on the adequacy of the procedures used by the military to investigate or prevent aviation accidents.

63.   Democrats said they had modeled their proposal after the arrangements already used by many employers to manage the cost of prescription drugs provided to employees.

64.   Deep in the mangrove swamp of the Niger River Delta, Bello Orubebe pressed his nose against the window of a deserted houseboat once used by Shell oil workers.

65.   Each of these techniques is common when used by itself, but doctors have speculated that the combination of the two might have caused the reactions.

66.   Even so, was that the criteria used by the federal appeals court to determine ownership of the vessels?

67.   Elyse Greenberg likes USA Datanet, a long-distance service you use by dialing a local-access number.

68.   For a time, the city had been considering replacing the WNYC stations with another municipal station, WNYE, currently used by the Board of Education.

69.   For some Swiss, the list has yet another embarrassment, exposing the obfuscation practiced used by their privacy-obsessed banks.

70.   Funds from operations, a measure of cash flow used by real estate investment trusts, is net income before depreciation.