Barry Shilmover (Calgary, Canada) and Derek Ball (Calgary, Canada) are the founders of Canadian-based Sonic Mobility, an application development company that develops applications for Pocket PCs, specifically for iPAQs. Barry is the co-author of Windows 2000 Power Toolkit (NRP) and Windows 2000 Sys Admin Black Book (Coriolis) among others. Derek has authored or co-authored 7 books about client server, application development, database topics and nearly 70 periodical articles. Derek is an international speaker and instructor at the corporate level on IT topics. He taught Object Oriented Software Technology at University of Calgary.