A couple of days ago, a little-noticed milestone was reached.
It has been over two months since the last rocket was launched from Gaza into Israel. (There was a rocket test-firing into the sea reported in November, two reported rocket tests this month, and two mortars shot into Israel in December.)
As far as I can tell, there has never been a two-month period without rockets into Israel since the first Qassam was shot into Israel in February 2002.
It sounds like Israel achieved a major goal of Pillar of Defense.