For a heady nine months, until the spring of 2000, Britain had dot.com fever. Lastminute.com's youthful founders saw their fledgling company soar to a valuation of 750 million, and Martha Lane Fox became a media star. Clickmango.com raised 3 million in just days to sell helth products online. Old-style industrial giantswere edged out of the FTSE 100 by e-commerce newcomers employing handfuls of pe...