Welcome to the community, hope to see more of your posts. A very nice introductory post. You don't have to blog you can also take a video on your phone and talk about your subject matter. Either way just be yourself. :-)
Here's some links that may help... https://www.steemithelp.net/
https://steemit.com/steemit/@igsamuel/how-to-succeed-on-steemit-quick-guide-for-beginners
