Some of my sites have recently been hit by Google +30 and +50 Penalty and I have written an article on How to avoid Google +30 and +50 Penalty.Till now I had less success in getting out of it...As the old proverb saying "Prevention is better than Cure"..I have written an article on How to avoid this Penalty in particular and I am following this quite seriously on my sites now and its turning out well,So read my article on How to avoid Google +30 +50 Penalty and do share your views on it.I am sure there are more suggestions that other webmasters could make on it!!Also they could share their views of how they have successfully came out of this Penalty!!