"There is no explicit limit to the number of people that can be added to a Signal group chat. However, if the group becomes very large, it can become difficult

"There is no explicit limit to the number of people that can be added to a Signal group chat. However, if the group becomes very large, it can become difficult to manage and you may notice that messages take a bit longer to send." Seems like it wouldn't bet too hard for it to become a social network.