Now I will teach you how to pick a lock on a door two methods that will make you wonder. Because these two tricks will free your life a lot of hassle free. You can easily lock or unlock a door by following this procedure.

Silicon Valley’s most successful tech companies use the insights of behaviour design to pump us with dopamine and keep us returning to their products. But, as Ian Leslie learns, some of the psychologists who developed the science of persuasion are worried about the way it is being used. By Ian Leslie.