Computers are still technology because we are still wrestling with it: it's still being invented; we're still trying to work out how it works. There's a world of game interaction to come that you or I wouldn't recognise. It's time for the machines to disappear. The computer's got to disappear into all of the things we use.
A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools.
To give real service you must add something which cannot be bought or measured with money, and that is sincerity and integrity.