They're really awful.
Look at that second last phase the realisation
I can still barely draw a straight line ..
This is amazing
Here are some awesome and geeky teachers that are doing it right.
Good news or bad news
Things you’ve never realized before… I like the last one
Funniest Memes - [What happens to Canadians on Canada Day]
Well, technaclly, someone IS there, just not Phone Guy