Can they reply to posts according to the situation or do they have a specific database of massages? Do their program have some sort of AI? What type of language did you use for coding?
The Hitachi Magic Wand (renamed as Magic Wand Original and Original Magic Wand and referred to simply as Magic Wand) is an electrical, mains-powered vibrating massager, originally manufactured for relieving tension and relaxing sore muscles, but most famous for its use as a sex toy. https://en.m.wikipedia.org/wiki/Hitachi_Magic_Wand
IIRC, justabot has a database of replies that Tony-chan took from somewhere. But she also tweaked a bit with those replies to make things more fun, so Bot-chan is somewhat unique on her answers. I'm not 100% sure on it, but I think that's the gist of it.