Active Users Model

Internet Users in Taiwan

Year 1991 ~ 2005

• Active Users' Behavior Could Be Predictable

• Perfectly Matches the Key Forecast

• Reliable/Smooth Active-Passive Cumulative Distribution Function (CDF) Curve

  • If observed sample is internet user with email, x=1 (Adoption = Hi/Active)

  • Otherwise, x=0 (Adoption = Low/Passive)