If you are aggressively working to build a blog and audience, you can consider paying to promote your content.
Before promoting on any of the above channels you should do significant research as to which ones are the best fit for your audience and how the mechanics of each network work.
The links above do not take you directly to the advertising pages; they take you to guides to learn how to advertise on these platforms. Start with one, start slow, track your results, watch your spend! But most importantly, learn (or pay someone who has already learned).