IM on a handheld

Question: Is it possible to send and receive Instant Messages from a handheld computer? Our IT department is using IM with our technicians and a limited number of teachers.

The IT Guy says:
VeriChat software by PDAaps allows instant messaging on a variety of handheld computers, including PDA’s running Pocket PC 2002 and 2003, Palm OS, and other smart phones. Verichat uses your PDA or phone’s network connection and allows IM with AIM, Yahoo, ICQ, and other protocols.

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