Technical and Economic Challenges

Pricing
- $/airtime, $/data transfer, flat rate?
- Transmitted packets or received packets?
- Artifact provider vs. pipe provider vs. service provider
Performance
- 20 kbps but not quite fast enough for “multimedia”
- Coverage, non-interoperability
Killer App
- Vertical application vs. email, paging, web access
Formfactor
- Laptops vs. PDAs vs. Smart Phones