YouTube
Twitter
100
The number of videos uploaded every minute.
What is 100?
100
Twitter only lets you use 140 or less of these in a post.
What are characters?
200
Shows you the specifics of using YouTube.
What is the official YouTube help channel?
300
commenting, liking and subscribing all requires this.
What is Signing In?
400
By going to the bottom of any YouTube page, you can turn on and select this special feature.
What is Safety Mode?
500
You need this in order to make Youtube videos.
What is a webcam?
M
e
n
u