Tech FuturesThe technology industry will never die--it'll just move on. And these cutting-edge businesses are on its itinerary.

Entrepreneurs interested in starting high-tech businesses, don't fret! Admittedly, the year has been difficult for many dotcom start-ups that launched with fanfare and publicity but didn't haul in the dollars they expected. Many new business ideas were tested--everything from targeted content sites to B2B exchanges--but few were able to execute.

Believe it or not, though, it's still possible to grow a business on the Web, using keen business sense and judicious money management. Let's put the past behind us and move forward, with five next-generation high-tech businesses you can start today.