Because that's what I do. There's lots of reasons.

I know my family and friends are concerned and want to know that I'm okay. It's sometimes hard for people to ask the questions that they really want to know. They feel that it might offend or make me feel uncomfortable. Now you can get all the info and I only have to answer the questions once.

Also -

This gives me a way of tracking my diet and glucose levels. I plan on linking the website to my phone so I can put my meals directly in while I eat. It gives me a place to organize my data and my thoughts. After I get the bugs out I'll open it up to some of the members that want to use it to track their own diet and glucose / ketone readings.

Also -

Why Not?