Because the underlying technology behind these devices is improving so fast, companies are under tremendous pressures to increase features, Dulaney said.
"In this area, backward compatibility is a dirty word," he said.
Demomobile continues through Friday in La Jolla, California. The conference is produced by IDG Executive Forums, a subsidiary of International Data Group Inc., which is also the parent company of IDG News Service. More information is available at http://www.demomobile.com.