One clear danger is that they may alienate customers, who will welcome better service but may be more doubtfulabout uses of the technology such as finely segmenting the market or targeting customers individually.
Those who doubt the UK government's case, set out on Tuesday, for building a line between London and Birmingham are going to be even more doubtfulabout the benefits of a colossally expensive link to help out the potential foreigners north of Gretna.
President-elect BARACK OBAMA: It's the answer that led those who've been told for so long by so many to be cynical and fearful and doubtfulabout what we can achieve to put their hands on the arc of history and bend it once more toward the hope of a better day.