This is a virtual playground for storing notes, testing new ideas, and sharing information. If you were invited here just scroll down until you find what you are looking for. If you stumbled upon this by accident HNotes.com uses a system for  aggregating articles and original content. I wrote the system 10 years ago in ASP. I use MYSQL to store the data and 50 or so pieces of code to manipulate it, produce Newsletters, Emails, and Websites.

You can see the "System" is use at:

.... And many many more...