Sidebar comment like Medium

To increase user interactions, comments is a great feature. However WordPress comment is lacking. Can we have a feature where we integrate WP comment system but also allow users to highlight words to comments like in a Medium article. It could potentially look something like this: https://www.awesomescreenshot.com/image/51473462?key=d11e3b1b4bb9c408879f1b530f29e084

Medium Style Commenting Plugins For WordPress Highlight Difficulty In Theme Compatibility