What's the deal with popover='hint' and [interestfor] in HTML

Popover hints are a crucial element of user interfaces in web applications. The article on una.im focuses on the benefits of using such popovers, which help users better understand the features and options available on the site. In terms of user interaction, these popovers can significantly enhance the experience by informing users about the available tools without the need to search through documentation. Moreover, well-designed popovers can capture users' attention, making the usage of the application more intuitive and enjoyable. The article also provides examples of effective usage of these hints, serving as a valuable source of inspiration for developers. Popovers can be utilized in various ways, making them a universal solution in the world of UX/UI. With the growing demand to adapt interfaces to user needs, popover hints will gain more importance.