When a beginner asks you a question easily solved with Google and then complains when you point that out, tell them you've decided not to help them anymore until they've stared at this for 15 minutes with the volume up.
One of his domains is tomsdog.com. I don't know how much he paid for it, but I can get donsdog.com for about $10 a year. The list kaismh posted has 75 items in it, so say $750 a year.
The way I like to think about this is that if his after-tax income is $50,000, he is spending 1.5% of his income on domain names.
As impressive as that is, it's even more impressive that the last commit in the project was in 2012.
This 'little' web project is more than three years old and still amazing considering how much web browsers and web technologies have moved forward in this time.
Not trying to downplay your point, but I think the fundamental technologies have more or less stayed the same during this time frame. I think what has changed has been the tools that help you better organize and work with those technologies.
You draw by clicking and dragging with your left mouse button. Instead of a line you get text. Text size (aka line thickness) depends on cursor speed, so faster dragging means larger text size.
I've been running out of ways to find weird new yet not absurd stuff on the web. All linkblogs are constantly dying. Even these from the beginning of this century. Thanks to author's homepage[1] (can I call it that?) now I have one fresh - http://inspiring.online/.
Set blend mode to multiply and it's fine (or invert it and use it as a layer mask). Although I'm not sure how useful it is for designers without the ability to tweak what you've drawn.
It lets you specify a string and draw freehand with that string repeating itself as the substance of the line. The size of the characters in the string varies with cursor velocity.