How "the carry principle" affects design thought for mobile devices

1. the carry principle
the device in your pocket
Barbara Ballard
http://www.littlespringsdesign.com

2. mobile
users

3. available
mobile
contextual
mobile identifiable
users
distractible

4. available
mobile
contextual
same as
desktop?
mobile identifiable
users
distractible

5. the carry principle
if only one device is in your pocket ...
• communications • battery powered
(text, voice)
• wireless
• small screen
• device
• multifunctional proliferation
... you browse on this device

6. so design for ...
browser
compatible • fast content access
• resumable access
• reliable data access
• ease of use
• sometimes full access

7. so design for ...
• fast content access
• resumable access
browser
• reliable data access
incompatible
• ease of use
• sometimes full access

8. so design for ...
• fast content access
• resumable access
• reliable data access
• ease of use
local app • sometimes full access
enhanced

9. so design for ...
browser
compatible • fast content access
• resumable access
browser
• reliable data access
incompatible
• ease of use
local app • sometimes full access
enhanced