Possible Exercises for video 3-3

[blinkityblank]

• [x] Tracing a path between check-ins
• [x] Rewrite text for text bubbles (can be same joined with exercise from 3-2)

Check out video in playlist for reference

[shiffman]

All the exercises are in one revised project. These are in the check-ins log/map page, the ones from #38 are in the check-in page.