1. 1 Toward More Sensitive Mobile Phones Ken Hinckley Eric Horvitz Attentional User Interfaces Project Microsoft Research

2. 2 Voice Recording Just talk into it, like a cell phone To record you: Must be holding device Tilt “like a phone” Hold close to face Reduces attention vs. find & hold button.

3. 3 Mobile Phones Naturally occurring gestures of use… Holding up to ear answers call: Must be holding device Tilt “like a phone” Hold close to face Less distracting: No TALK button / flip top “Polite cell phone”

4. 4 Mobile Phones Same gesture answers incoming call No wrestling with TALK button / flip top ? activate voice recog: “Call Eric at home” “Polite cell phone”: Ring volume softens as soon as you pick it up Notices when you look at caller ID Mutes ring if you choose to ignore call

5. 5 Related Work Profile auto-selection Sawhney & schmandt

6. 6 Quiet Ringing xxx

7. 7 Acknowledging and Ignoring Calls xxx

8. 8 Target Device for Notifications xxx

9. 9 Vibration Notification xxx

10. 10 Call Answering Gesture xxx

11. 11 Voice Recognition Context xxx

12. 12 Backlight Activation (Power Management) xxx

13. 13 Speakerphone Mode Ericsson R520

14. 14 xxx

15. 15 Conclusions Mobile Phone features Games, Activity Detection, etc. Same commands can work across many sizes of device: Pager  PocketPC  TabletPC Next: sensors on iPaq w/wireless connectivity Promising direction to enhance PocketPC UI

16. 16 Power Management Prevent power off while using device Based on touch/tilt activity Or, activate backlight when “looking at” PocketPC

17. 17 Other Fun Stuff Kirby Tilt’n’Tumble $29.99 Detect activity, e.g. Walking

18. 18 Sensors: Tilt Touch Proximity ~$3.00 parts cost Sensors will be free & everywhere: What new SW features? Can Sensors Enhance PocketPC UI?