Hivemark by Hive.one is a Chrome extension that provides user community and rank details from Hive.one within the Twitter app. This extension aims to help users identify notable profiles on Twitter and gain insight into the communities they belong to and their ranks within those communities.

With Hivemark, users can easily spot the hive mark next to a user's name on Twitter. By hovering over the hive mark, users can view the user's communities and ranks within those communities. The ranks serve as an indication of the user's prominence within their respective communities.

Furthermore, Hivemark allows users to click on a user's rank or community to access more information about them on the Hive.one platform. This additional information can provide users with a deeper understanding of the user's background and expertise.

Overall, Hivemark is a useful Chrome extension for Twitter users who want to gain insights into the notable profiles they interact with. It provides valuable information about user communities and ranks, allowing users to make informed decisions about who to engage with on the platform.