There is in fact a sidebar in Edge dedicated to Bing Chat with features exclusive to it. E.g. it takes the current website into account as context and is thus a

There is in fact a sidebar in Edge dedicated to Bing Chat with features exclusive to it. E.g. it takes the current website into account as context and is thus a good way to get for example a whole pdf into the context window. It's also a nice way to do jailbreaks since it seems to trust the content of whatever website you're looking at more than your own input.