The Taiwanese mobile handheld device industry's shipment volume and value in the period 1Q 2006 ?4Q 2008, including basic/feature phones and smart cellular devices; the Taiwanese industry's client portfolio, including major clients' share of the industry's shipment volume and value; major mobile handheld device vendors' worldwide shipment volume and value in the period 1Q 2006 ?4Q 2008; Chinese makers' current status; mobile OS developments, including major mobile communications companies' deployment in different mobile OS camps.