Facebook--My Love Hate Relationship

I hate Facebook because I was found by family drama. Ugh. Dealt with it but still. Love it cuz I'm friends with former mobster hit man, Henry Hill...

Facebook Etiquette

I don't really know if there is such a thing but...while surfing the site, an ex's profile came up. I honestly stumbled upon it by accident. He had some Facebook Friends that I was or am also friends with. I cherry picked the ones that I really liked and extended friends invites. Did I breech Facebook etiquette if there is such a thing?