Building an audience from scratch can be so overwhelming! You've created this great service or product or campaign and now you just need to figure out how to get in front of people!
So let's start with figuring out who would be interested in your thing! If you're offering would be loved by a variety of people then I would try and start with marketing to one specific niche.
Here are questions to ask yourself:
Who wants this material?
Are they mail or female or both?
Interests other than my offering?
What things do they have in common? (For instance, if you had something that would help kindergarten teachers, something your audience would have in common is that they are all kindergarten teachers!)
Now that you have an idea of who we're trying to to reach, how are we going to do it?
Where does your ideal client hang out online? Facebook, Instagram, Snapchat, etc.?
What is visually attracting to them?
Once you start answering these questions, start targeting them on their preferred social media profile! Use hashtags that they would search on Instagram. Share blog posts and information they would love on Facebook. etc. etc.
Building any audience takes time. Be patient. Use the social media strategies you know, and go out and find those people! Share your content everywhere!