1. Draft Ver. 1.0 Prepared by DM Lee Feb. 2010

2. Smartphone Sales Up 24 Percent, iPhone’s Share Nearly Doubled Last Year (Gartner) by Erick Schonfeld on Feb 23, 2010 http://techcrunch.com/2010/02/23/smartphone-iphone-sales-2009-gartner/ Worldwide Mobile Terminal Sales to End Users in 2009 (Thousands of Units) Note* This table includes iDEN shipments, but excludes ODM to OEM shipments.Source: Gartner (February 2010)

3. iPhone market share: Enterprise demand may buck trends Updated: 02/25/2010 http://www.ventureoutsource.com/contract-manufacturing/product-market-segments/cell-phones-handsets/iphone-market-share-enterprise-demand-may-buck-trends 2009 Second quarter smart phone market share worldwide Smartphone satisfaction survey (1,000-point scale)

4. October 2009 Mobile Metrics Report November 23rd, 2009http://metrics.admob.com/2009/11/october-2009-mobile-metrics-report/

5. Android Market Apps fastest growing – Iphone Market the Biggest ! BY ARUN PRABHUDESAI ON FEBRUARY 23, 2010 http://trak.in/tags/business/2010/02/23/android-market-apps-fastest-growing-iphone-market-the-biggest/

6. Facebook Drives 44 Percent Of Social Sharing On The Web by Erick Schonfeld on Feb 16, 2010 http://techcrunch.com/2010/02/16/facebook-44-percent-social-sharing/