Of all the social media that has come along in the last 10 years, blogging is in some ways the best of them all. It allows for a wide range of expression. It is not ephemeral. It has a freshness to it, but you can look back in a few years and still read it.
I recommend that everyone blogs. Even in 2017. If you are still skeptical, consider this piece: Seth Godin Explains Why You Should Blog Daily — CJ Chilvers