What’s your favorite thing to do on the internet?

Some girls often ask me this question "What’s your favorite thing to do on the internet?" I don't know that I'm their crash or not but I feel that they are weak.I don't know what is the answer to this question? for this, I always try to talk to another topic. So I need to know the answer to this question. Please, someone, help me. My question is - What’s your favorite thing to do on the internet? Thanks.