Hey:
Based upon my understanding of the online marketplace, the best venue is Facebook to find the 50-75 year old crowd? - You can also go for Google AdWords. It has a good reach. As per Facebook algorithm, it hardly allows you to insert SEO keywords but in AdWords, you can add a number of keywords.
Now to successfully market your diagnostic test innovation, you should follow the industry-tested approaches e.g.
1. Create Social Pages across platforms i.e. in IG, FB, Pinterest, G+, Twitter.
2. Identify your target audience.
3. Like, Engage and follow with those existing accounts which are similar to yours!
4. Start POSTs with images and videos if possible. Those Posts with image must suffice @StoryTelling purpose, usage of various keywords with hashtags(#) as well as at the rate(@)sign.
5. Run Geo-targeted ads as and when required.
There are queries, based upon your reciprocation can provide the activity calendar
1. Do your plugging with Social platforms already in place?
2. What would be your Geo-Target location?
Being a certified member of amazon ninja sponsored products as well as Facebook Blueprint, well equipped in Google AdWords, and in IG with ER of 7.89%, I’d like to be considered for your said position. I’m a strategic Social Media Manager with a strong background in developing online content, social media posts.
Regards
Partha