The action of subscribing to a specific tag on the Instagram platform allows a user to see posts publicly tagged with that term within their personal feed. For example, a user interested in landscape photography might choose to subscribe to a tag such as #landscapephotography, subsequently viewing images shared by other users employing that tag.
The functionality offers a streamlined method for aggregating content around particular subjects or interests. Historically, users relied on searching for and browsing tags individually. The introduction of this feature simplified content discovery and fostered focused engagement within specific communities. The practice provides efficiency in content consumption, allows for identification of trending themes, and can aid in market research.