Lionel Messi makes everything look so easy. In Barcelona's first Champions League match of the year he slices through the Panathinaikos defense with two give and goes. Is Messi the best player in the world today? Yes.
From a coaching standpoint, or if you're a young player watching this video: see how Messi remains calm and doesn't get over excited as he drifts further into the goal box. He remains composed and finishes the chance. Often, young players will play a give and go and then when they see they are about to score they'll sky the ball up and over the goal rather than calmly slotting the ball past the keeper.