It's sometimes convenient to assume all professionals have a LinkedIn profile and your TAM= Linkedin's TAM. But guess what, a number of professionals who don't have an LI profile(doctors?) can be found on...Facebook.

1. Go to the thesourcecode.academy link and search using booleans.

Go to the thesourcecode.academy link and search using booleans.

2. Facebook doesn't support full Boolean search but you can still find a lot of relevant information.

Facebook doesn't support full Boolean search but you can still find a lot of relevant information.