1.

2. Using voice calls
as a context
Chris Mairs
CTO, Thrutu | Chief Scientist, Metaswitch
3. THE EVOLUTION OF PHONES
4. Imagine
Text
Youre just around the corner
Do you have Jens number?
You have to see this!
5. Barriers
Network barriers

cost

6. complexity 7. glacial timescalesHandset barriers

Fragmentation

8. Complexity 9. Sandbox