Listening to challenges that others are facing may help you solve your problem and sharing struggles you're experiencing with others sometimes can help them as much as it helps you.
Social media user demographics might surprise you! Check out who is using each platform and where your target audience might be to help determine which tools you should use and what platforms you should prioritize.
Oftentimes, making a decision when marketing your business (what your website looks like, what you should post on social media, how often to send an email, etc.) is not about finding the "right" answer, but more about 1) what aligns with your business goals and values and 2) what you can reasonably manage, in terms of budget, time, etc.