Identify your target audience. The first step in creating an inbound marketing strategy is figuring out who you want to reach and what type of content would be valuable to them.
This will help you determine which channels are best for reaching them. For facebook database example, if you sell SaaS products for small businesses, a blog might be a good place to start.
You can also opt for other platforms, such as social media, email marketing (if you have a database to nurture), video marketing (if possible), content curation (if there is already good content related to what you sell).
Don't forget SEO. Search engine optimization (SEO) will help ensure potential customers can find your website when searching online for products similar to yours.