(4
Women talking
(5
Women meeting up with another social media user IRL and discussing what they've posted
(Explaining number 5
If they didn't get on it, they wouldn't know. Even if someone told them to meet up and discuss, the woman would have to get on the internet to see the posts.
(Explaining the explanation for number 5
If a friend sent them screen shots or texted them the topic, the woman would have to get on some sort of texting app (and the default messenger counts) to see it, therefore getting on the internet
(6
If you have any friends at all, you'd know someone who went on the internet and was a girl