You can follow my posts on this blog with Activity Pub compatible apps, such as Mastodon. To do this you can use this URL:
https://mattstenson.com/author/matt/
Or your can use this username to find me:
Usually you’ll paste of of these two identifiers into the search area of your Activity Pub compatible app. Then after following my username you’ll see new posts in your feed. If you reply, I’ll receive them as comments here.