NEW YORK The old story of technology in business was a trickle-down affair. From telephones to computers, big companies came first. They could afford the latest innovations, and they reaped the benefits of greater efficiency, increased sales and expansion into distant markets.

As a technology spread and costs fell, small businesses joined the parade, though from the rear.

Now that pattern is being challenged by a bottom-up revolution, one fueled by a second wave of Internet technologies like the search services from Google, Yahoo and Microsoft and software delivered as a utilitylike service over the Web.

Read more at http://www.iht.com/articles/2006/02/21/business/small.php.