[bretthoerner]

Given the "I" in the title I'm pretty sure he's trying to speak to his past self.

[dfc]

But since it is not in his private diary it seems obvious that he is speaking to others.

[TheCowboy]

Sharing on the Internet on the off-chance that someone else might derive some benefit from it.

Or putting yourself and ideas out there to let people take them apart and see what holds or what you can improve.