Most posted is a term used to describe something that has been shared or talked about the most. Antonyms for most posted include least posted, least discussed, least shared, and least talked about. These are terms used to indicate things that have not garnered much attention or interest from people. Some may argue that these sources of information may be hidden gems, waiting to be discovered by those willing to take the time to seek them out. However, in today's digital age, where social media algorithms drive much of the content we consume, it can be challenging for lesser-known topics or ideas to rise to the top of our feeds.