Ideas

1. QR codes....

2. Pets

2.1. dogs: training aid or tracking device

3. Locations

3.1. Home

3.2. car

3.2.1. hands free

3.2.2. voice control

3.2.3. sleep detector

3.2.4. speed limit detector

3.2.5. collision avoidance

3.3. fitness

3.4. travel

4. Help/Aid

4.1. replacement guide dog

4.2. deaf person aid

4.2.1. sound detector

4.3. other disability aid

5. iPlanner

5.1. electronic planner for students

6. Specific group, based on age or....