Please capitalize where necessary: if you want to know in advance what turns me off: fake and rude people
A: If you want to know in advance what turns me off: Fake and rude people

Please capitalize where necessary: in the past years venezuela never had demonstrations on the streets or general strikes.
A: In the past years Venezuela never had demonstrations on the streets or general strikes.

Please capitalize where necessary: 8. october 2012 by greenland today
A: 8. October 2012 by Greenland Today

Please capitalize where necessary: systems supposedly allow the gambler to have an edge.
A:
Systems supposedly allow the gambler to have an edge.