1.Background
2. Microsoft's Development Strategies in Recent Years
3. Microsoft's Rationale for the Acquisition of Nokia
3.1 Principle Value from the Transaction: Nokia's Patent Portfolio
3.2 Added Value from the Transaction: Nokia's Brand Value and Strength in Mobile Phone Manufacturing
4. Influence of Microsoft's Nokia Acquisition on the Smart Handheld Device Industry
4.1 Smartphone
4.2 Tablet
4.3 Wearable Smart Device
Appendix