[benoau]

You can go all the way back to when Facebook was the dominant gaming platform to realize how much leeway there is: what actually got Vostu in trouble - privately settling that is - was copying so blatantly they "inherited" bugs from Zynga.

https://techcrunch.com/2011/06/16/war-zynga-sues-the-hell-ou...

https://techcrunch.com/2011/07/20/vostu-goes-on-the-offensiv...

https://techcrunch.com/2011/12/06/zynga-vostu-settle-copyrig...