IDC's Worldwide Handheld QView service provides timely and accurate information on the worldwide handheld market. This service delivers a quarterly Excel pivot table that details the performance of the market's individual players and answers important product planning and positioning questions, such as:

1. What are the U.S. and worldwide quarterly market shares for the leading vendors?
2. How are proprietary operating systems competing with one another?
3. Which mobile device platforms are gaining or losing share?
4. What is the market for converged mobile devices, and how are they affecting the market performance of noncellular PDAs?

• Worldwide and U.S. quarterly unit shipments: Handhelds
• Worldwide and U.S. quarterly unit shipments: Converged mobile devices
• Worldwide handheld average selling price and value of shipments by vendor
• Unit shipments by vendor, operating system, and form factor (i.e., pen-based handheld, keypad-based handheld, and converged mobile devices)
• Worldwide and U.S. four-quarter rolling forecast

Timely delivery:

• Clients receive preliminary data sets via email six weeks and eight weeks after the close of each calendar quarter. Final data in Excel pivot table format is delivered with an analysis study highlighting the quarter's results ten weeks after the close of each quarter.

Annual subscription:

• IDC's Worldwide Handheld QView service monitors the U.S. and worldwide quarterly shipment totals of handheld and converged mobile devices. An annual subscription includes four quarters of data and all historical data.