Within wireless security realm, In-Stat has identified two addressable markets: security for portable devices, and security to protect network operations and assets in the business premises. Together, these markets are projected to reach $4.4 bln by 2010. 70% of the respondents say they use WLANs in their businesses. Between now and 2010, close to 460 mln new client devices with wireless capability will ship to business premises, including mobile PCs and Wi-Fi handsets. In the business premises, mobile PCs with embedded Wi-Fi and business combo Wi-Fi/cellular phones, combined, will comprise 94.9% of clients by 2010.