I'm not sure if this been discussed before. I have been marketing on facebook for the last 2 to 3 years. Lately I have been reading and watching Youtube to find the best methods on audience targeting.

Today I got intrigued by some sponsored advertisements as I did my regular visit to FB.

I saw some sponsored advertisement advertising products 100 percent similar to what I have been looking at the last few days in other various shopping websites (i.e Lazada, Shoppee, Ebay,...

Similar Market Audience on FB