After protecting their collections, the next imperative for curators and site managers is providing safe access to an international community. That also can include virtual copies of physical spaces to provide access to collections and heritage sites to everyone around the world....
For digital exhibitions at museums and heritage sites, the search functionality in particular takes advantage of the electronic medium: the search capabilities, when done well,...
Choosing the right type of media viewer functionality is vital for your digital exhibition: too little features and you won't be able to showcase the media in your digital exhibition in a professional manner, but too many features and you'll overwhelm and alienate your users....
[Updated 10 March for 2022: For a full overview and interactive demos, also see these slides from a digital exhibition workshop I hosted in February...