1. Technological Change
   1. Social Media
   2. Substitutes
   3. Mass Customization
   4. Technology Diffusion
   5. Genetic Engineering
2. Regulatory Influences
   1. Government Policy Changes
      1. Anti-Trust Policies
   2. Environmental Protection
   3. Tax Policies
3. Socio Cultural Changes
   1. Environmental Concerns
   2. Demographic Changes
   3. Lifestyle Changes
      1. Healthy Options
4. Economic Changes
   1. Industry Growth Rate
   2. Economic Growth Rates
   3. Unemployment Rates
5. Globalization
   1. Political Events
   2. Trade Restrictions
   3. Consumer Demand
   4. Competitors
   5. Wage Rates