longacre writes: "Brain-connected game controllers, pay-per-glance ads and flexible displays are among the technologies expected to make mainstream breakthroughs this coming year according to a list compiled by Popular Mechanics. Which do you think are realistic? How many of the items on last year's list came to fruition in '07?" Link to Original Source
Computers are unreliable, but humans are even more unreliable.
Any system which depends on human reliability is unreliable.