From a story at http://news.yahoo.com/s/ap/20060220/...ckberry_battle :


"At United Parcel Service Inc., as many as 3,000 managers, executives and technical support employees use BlackBerries. In the worst-case scenario, the company would switch those users over to Palm Treo handhelds, which are used by other employees, said Donna Barrett, a UPS spokeswoman."