First watch this video on how to promote a product: (you may need to copy and paste the link into a new window)

https://www.ted.com/talks/seth_godin_on_sliced_bread?utm_campaign=tedspread--b&utm_medium=referral&utm_source=tedcomshare

How to get your ideas to spread

In a world of too many options and too little time, our obvious choice is to just ignore the ordinary stuff. Marketing guru Seth Godin spells out why, when it comes to getting our attention, bad or bizarre ideas are more successful than boring ones.

Seth Godin

Following that, consider a product that is not currently offered. How would you promote it?