ROCK HILL S.C. Anytime customers at the Fatz Cafe here need something from server Sheila Hall, they can simply page her through a wireless device on the table.
Asoda refill, another appetizer, the check - whatever the request, Hall instantly knows she's needed by the vibrating and flashing symbol on her clunky wrist device.
Hall loves it.
"It lets the customer feel in control, and I don't feel out of control," said Hall, who has been