In informal online writing, using full stops has become an optional choice, which means that using full stops requires that you choose to do so, which means tha

In informal online writing, using full stops has become an optional choice, which means that using full stops requires that you choose to do so, which means that presumably you have something to communicate by that choice. Generally speaking, using full stops is a sign that one is Very Serious; it's the textual equivalent of how, when someone is angry, they will close doors harder.