Instagram can definitely be considered a blog. As the app has evolved, it has become more conducive to writing content. Users can post photos and videos, and then write accompanying captions or descriptions. This allows users to share their experiences and thoughts on a particular topic, as well as connect with other Instagram users who may have similar interests.
Additionally, Instagram provides users with the ability to add dates and times to posts, which makes them feel more like traditional blog posts. Overall, Instagram is a great platform for sharing content with a wider audience.