I didn't have any social media accounts before 2018. I knew what they were, had friends on them but I hadn't ventured there at all. Just before Unpacking Harper Holt came out, my brother was in London and went to the London Book Fair. Like me, he was hoping my book was on display, but it was just a bit too early. He is a curious person, likes to learn about new things, so while he was there, he sat in on a few presentations. What he learnt about writers and self-promotion he