Video calls are exhausting. They're great for business meetings where one person can talk and everyone else has to listen, but for informal get-togethers, it's very restricting. If you're not speaking, you just quietly sit there trying to maintain eye contact with your webcam. This can get especially bad in larger groups.
“I can’t believe how close this imitates real life”
In natural settings, large groups naturally break apart into smaller groups with different conversations. Rambly lets you walk around and mingle with different groups. Sound carries like it would in a live environment so you'll feel like you're actually near people.