Under 30, online and world-beating  All it takes to make an
internet fortune these days is one brilliant idea. Technology
Correspondent David Smith meets the young British entrepreneurs
who are shaping the future of the web  Like many of the best
ideas, it began with a simple question. 'How many people are
kissing at this moment?' Thomas Whitfield, a 25-year-old
student, wanted to know. Talking over a drink in a hotel lobby,
he and a friend dreamed up DesignTheTime, a website with the
limitless ambition of charting 'the history of mankind' moment
by moment.  Last week the site announced it had won £50m to
develop its idea - a historical 'timeline' split into minutes,
each of which can be bought by users to post memorable moments
in their lives, for example by uploading video footage of a
child's birthday or favourite pop concert. Its backers, Bright
Station Ventures, were 'blown away' by the concept. Microsoft
said: 'We believe DesignTheTime has the potential to be the next
YouTube or Skype.' Such grand claim