ATM

For our money -- get it? -- this is probably the most revolutionary gadget in the list. It's hard to believe there was a time when the money you had in hand by 3 PM on a Friday afternoon was all the money you had for the weekend. Experiments with cash-dispensing and deposit-taking machines at individual banks started in the early sixties, but it was in 1963 that the first networked ATM made its debut. Nightlife would never be the same.