Ask HN: Tips on getting better at marketing

I want to get a better sense of marketing, and how it fits in with the process of building and releasing a new product. I _think_ I've always trivialized the marketing aspect of startups & products. It's no rocket science, right? Either ads on social networks* or posting links on places like HN/PH and hoping for the best. Is there more to it? What are some good resources to learn about some no-nonsense marketing topics? Right now it feels like I'm missing a piece of the puzzle. Any personal "aha!" moments? Books, talks you'd recommend to help in a slight mind shift? * - sure, crafting a good, attention-grabbing ad isn't easy - there has to be