Exercises for video 2-3

[blinkityblank]

• [x] Storing data in array on server (mentioned at 14:45 in the video)
• [x] Adding a button to the HTML to send data (mentioned at 15:22 in the video)

[shiffman]

These are both in one example 356191c8c8a3de331e379a0a28b24eb7cfa04a07

I think when it comes time to talk about the array, show the server:

And then when I talk about the button screen capture clicking the button in the browser. (I actually just did this and will share a capture I made.)