top social media sites by user counthttps://www.ebizmba.com/articles/social-networking-websites
all based on unique monthly users:
1. Facebook , 750 000 000
2. Twitter, 250 000 000
3. LinkedIn, 110 000 000
4. MySpace, 75 000 000
5. GooglePlus, 65 000 000
I guess Ortsbo is not considered a social media site , yet ? Otherwise, based on 162 000 000 unique monthly users, Ortsbo is ranked 3rd on the planet right now. A little undervalued with current market cap under $150M , no ?