Additional Note: Smartphones are any voice handset with an advanced operating system (e.g., Android, BlackBerry, iOS, Windows Phone, etc.) and features/capabilities that resemble a PC. Tablets are touchscreen devices with a color display ranging 5-14 inches, a Wi-Fi connection or mobile data plan and an advanced operating system such as Android, BlackBerry, iOS or Windows. Though some have detachable keyboards, touch is the primary interface. Examples include Amazon Kindle Fire, Apple iPad, Google Nexus 7 or 10, Microsoft Surface and Samsung Galaxy Tab.
Methodology: Estimates are based on the analysis of survey and traffic data from research firms and regulatory agencies, sales projections, historical trends, company-specific data, and demographic and socioeconomic factors.