Australian smart handheld market grew strongly in Q4 2004, according to IDC. Converged devices accounted for 68.6% of the smart handheld market, achieving 42.7% growth from Q3 2004, while the pen-based device market grew 28.8%. Symbian continued to be the most popular OS with 44.2% of the market. This was followed by Microsoft with 36.1% and Palm with 10.6%. The top five vendors were Nokia with 30.7%, HP with 17.4%, PalmOne 10.6%, O2 with 8.9%, and Motorola with 8.5%.