3. User habits
• For frequent consumer visitors
– Leisure lazy read
• Not more than 45 minutes
• For frequent producer visitors
– Reply to comments and questions
– Control statistics
• For occasional visitors
– Quick find
– Follow the answers
4. Design Constraints
• Media
– Limited screen real estate
• Users
– Short attention span
• Environment
– Distracting
7. Current weaknesses
• Crammed home page
– Secondary information brought to foreground
– Rarely used functions take up space
• Minimal use of multi-touch gestures
8. Design Decisions
• Hide information of the second and third
level of interest
– Cropped answers
– Non-top answers
– Author of the answer
– Voters even if they are friends
9.
10.
11. Design Decisions
• Introduce multi-touch gestures
– Pinch in/out to
• open/close auxiliary information about an answer
• open/close main menu from anywhere in the app
– Circular moves to move between answers
– Hold and pan up/down to upvote or
downvote
– Four finger “tap” to call a keyboard and
initiate search
