Location Aware Calendar

1
Location Aware Calendar

• A PostPC project
• Elliot Jaffe, Erez Theodorou
• Hebrew University, 2003/2004

2
overview

• An upgrade to the existing calendar app based on
  an enhanced hardware platform
• Todays Presentation
• Product Overview
• Target Markets
• Technology
• Operations
• Conclusion

3
Product Description

• Schedule meetings or events with automatic
  adjustments for travel time
• Notifications based on
• estimated travel time
• where the user is currently located

4
Product Description Examples

• Currently its 1pm in Jerusalem and the meeting is
  scheduled for 3pm in Tel-Aviv
• Notify user of event no later than 2pm to allow
  for travel parking
• Our stock of wines is running low.
• Notify if the device is within 5 minutes of a
  good wine store

5
Product Demo

• Extends existing Palm Calendar application
• Additional dialogs and minor changes to the
  calendar views

6
LAC - Demo

• Schedule a meeting for 10am
• Write a your note and select Details

7
LAC - Demo

• Check the Location checkbox to select location
• Select a location or write one in

8
LAC - Demo

• Select Travel Alarm to be notified based on
  predicted travel time between locations

9
LAC - Demo

• Schedule an additional meeting for 11am
• Select Details and check the Location checkbox

10
LAC - Demo

• Select a different location for this new event
• Select Travel Alarm

11
LAC - Demo

• Select OK to ignore, Back to return, or
  Cancel meeting to cancel this meeting
• Visually note that travel time overlaps with the
  meeting

12
LAC - Demo

• Or reschedule the second meeting to 1200
• Visually note when to start traveling.

13
LAC - Demo

• Its 900am in Tel-Aviv
• Popup for meeting in Jerusalem based on travel
  time

14
Targets Market

• Professionals who travel to meetings
• Architects
• Plumbers, Electricians, etc.
• Salesmen
• Service Organizations
• Delivery services, On-Call Services

15
What we need to build this?

• Continuous location information on the Palm
  device
• Frequency at least once a minute
• Accuracy within 100m
• Duration always on
• Coverage Where ever it is possible to make a
  cellular phone call

16
What we also need to build this

• Location database
• Map GPS locations to textual addresses and visa
  versa
• i.e. 3500 Euclid Ave., Cleveland, Ohio
• ? (N 41.502913 W 81.663282)
• Available as Web Service from Microsoft, et.al.

17
Operational Costs

• Device will need to obtain location fix every
  minute
• Latest GPS devices cost 50 milliWatt seconds per
  fix
• Current devices can obtain fix every minute for
  24 hour period for 1 of battery charge
• Device will need to make Web services call only
  when entering a new address

18
Infrastructure Costs

• Requires location database for converting from
  addresses to GPS locations
• free service
• or
• subscription service -- recurring revenues

19
Futures

• Product Upgrades
• Better precision in location
• Better location coverage (inside buildings)
• More frequent location fixes (when in moving
  vehicle)
• Add-ons
• Calculate travel distance based on actual traffic
  conditions
• Suggest best travel routes

20
Conclusions

• Application will drive sales of upgraded devices
• Location aware Internet access
• Extension of existing app
• Option for subscription service/recurring
  revenues
• Upgraded versions drive sales of new releases and
  devices