Wireless services will lead the next growth phase of the Internet, industry leaders said, with investors now ready to spend again.

“I think the Internet’s largest opportunities are in bringing new services, ones that we barely imagine, to billions of people around the world, wirelessly,” said venture capitalist John Doerr.

Bill Joy, former chief scientist and a co-founder of Sun Microsystems, said he envisioned many kinds of Webs, including a personal Web, an information Web and an entertainment Web, among others.