Password and response were changed every three days. American paratroopers also famously used a device known as a "cricket" on D-Day in place of a password system as a temporarily unique method of identification; one metallic click given by the device in lieu of a password was to be met by two clicks in reply. Passwords have been used with computers since the earliest days of computing. MIT's CTSS, one of the first time sharing systems, was introduced in 1961. It had a LOGIN command that requested a user password. "After typing PASSWORD, the system turns off the printing mechanism, if
Need for Speed: Most Wanted (2012 video game) shown by EA during a confidential presentation. However, the developer and what direction the racing series takes in 2012 was not revealed. On 23 January 2012, Criterion's creative director, Craig Sullivan, said on Twitter that the Guildford-based studio has "lots to share over the coming months". Sullivan didn't provide any further details, except to say the upcoming announcement/s are "going to be BIG". On 8 April 2012, South African-based online retailer BTGames listed "Dead Space 3" and "Need for Speed: Most Wanted 2" for pre-order. On 7 May 2012, EA confirmed that new entries in both the "Dead Space" and