1 EXHIBIT 23.4 [INTERNATIONAL DATA CORPORATION LETTERHEAD] May 9, 2000 Credit Suisse First Boston 2400 Hanover Street Palo Alto, CA 94304 Credit Suisse First Boston has permission to use the following statistics as stated below. "IDC estimates that worldwide shipments of smart handheld devices will grow from approximately 8.2 million units in 1999 to approximately 35.5 million units in 2003". Source: IDC, analyst Jill House, 2000. Sincerely, /s/ Alexa McCloughan Alexa McCloughan Senior Vice President [ADDRESS] [LOGO]