At its simplest: because I thought it would be neat.
The first few versions of this writeup were quite long. They mentioned things like living online, digital gardens, and learning in public. If you want to read all that, you can find it on my garden. That feels a little long-winded for this site, though. The basic gist is that I wanted to:
I hope you enjoy the site. It was a lot of fun to put it together, and I'm excited to see what it will grow into.