> Unfortunately, the more you focus on advertising the less you focus on technical knowledge.
If the law of diminishing returns applies, it's better to spend time on improving multiple skills or knowledge instead of focusing on just one. I don't think you need to be an expert in advertising for it to be useful to you.
If the law of diminishing returns applies, it's better to spend time on improving multiple skills or knowledge instead of focusing on just one. I don't think you need to be an expert in advertising for it to be useful to you.