You are using the wrong advertising platform for sure. Everything you want to do is absolutely possible, and more. Well, you can't do the twitter one. But you c

You are using the wrong advertising platform for sure. Everything you want to do is absolutely possible, and more. Well, you can't do the twitter one. But you can do that on Linkedin and can easily do the hobby + youtube channel thing. The two problems are that those audience you want are absurdly tiny and would expensive to reach and that since you don't know about these capabilities you don't have a big enough budget to take advantage of them. Edit: (With programmatic rtb display ads)