Monitoring only Web-based activity, it alerts parents by E-mail if young users visit sites that are off-limits.

Others said that, because a typical CIO was too focused on technology issues, there should be a new position created "to coordinate all Web-based activities and to put resources, both people and capital, into his or her organisation."

Users are able to boot their personal computers in seconds and immediately browse the Internet and perform other Web-based activities.

The result, he said, will be a tremendous demand for server computers, for the software known as middleware that knits Web-based activities together, and for new processors tailored to the needs of an increasingly diverse range of handheld wireless devices and electronic appliances.

However, the first Web-based commercial activity regarding online auctions that made significant sales began in May 1995 with the company Onsale.

We provide easily accessible counseling services, foster regular medical care and offer many in-person and Web-based prevention-oriented activities.

Amazing Space: A set of Web-based activities from the Space Telescope Science Institute.

Even David Leahy, a fifth-grade teacher at Greenaway Elementary School in Beaverton, Ore., whose Web-based activities are well publicized in his school, said that on average, he receives only one e-mail message every other week from parents of his students.