People say that face to face interaction is more meaningful than communication online. This is not always the case, but here's a thought I have about face to face versus online friendships. One is exposed to a lot more people online than in face to face contact. This can create "information overload." Online, there is exposure to so much information that one is likely to keep scrolling, rather than reading in depth. In face to face contact, there is a limited number of people in close proximity. This means interaction with the people can be more in depth. Less other folks to scroll off to.
If one is talking to friends in a room, the friends can be like a "captive audience." This may force a person to listen more and find out something they wouldn't normally be looking for. Online, it's easier to move on to the next. The captive audience effect is both good and bad, I guess. Some people don't wish to be the captive audience; like being stuck in an elevator with the town crazy. Who knows, one might be surprised and learn something from the town crazy. It can be a way to have one's bubble pierced.