they can keep bothering you whenever they want. you can't stop them. and they know when you're not replying. on twitter, because of the sheer volume of people that comment and pass message, you're under now compulsion to respond to anybody. that takes away a lot of the pressure of these enforced friend or followers. was that part of the thinking? >> so it's always been focused on the recipient. so you can write something and it goes out to the world, and people choose to follow it or not. and like biz said, they follow their interests, they follow what they're passionate about and talk about it on the service with their friends. we have this information network constantly pushing out what's most meaningful and what's most important. and then a number of people discussing it over the service in real-time. >> i want to remind everyone watching, they can keep tweeting now, they can tweet @piersmorgan and get my -- follow. the audience can be tweeting, i've got my blackberry, i'll be tweeting. more importantly, let's turn to you, nick cristophe, top writer