Because of social media sites like Facebook, the breadth of subjects can be wide, as well as the depth of those using the platforms. Users of these platforms seem to feel obligated to share simple information as was listed by Pennington, but also highly personal information that can now be considered general knowledge. Because of social media platforms and user's willingness to share personal information, the law of reciprocity is thrown out the window in favor of divulging personal information to countless followers/friends without them sharing the same level of vulnerability in return. In cases like this, there is depth without much breadth.