CHICAGO, June 17 (UPI) -- What is the worst thing about working wirelessly? Experts told UPI's Wireless World that because the business culture is still developing the rules for working remotely on a WiFi-enabled PC or PDA, and because the technology itself is far from perfect, plenty of system problems are emerging.

"With the advent of Blackberry devices and T-Mobile Sidekicks, people are able to make the best use of their time, increasing overall productivity," said a spokeswoman for iPass, a firm in Redwood Shores, Calif., that aggregates WiFi hotspots, dial-up and broadband connections. By Gene Koprowski