The past 50 years have been an explosion of innovation and new ideas . We had freedom , failure , success and responsibility , and we learned HOW TO DEAL WITH IT ALL ! If YOU are one of them , CONGRATULATIONS !

Generate a question about the above context.
What is the source of the narrator 's excitement ?
pick from the following.
+All the new inventions .;
+All the new successes and no failure .;
+All the ways things stayed the same .;
+All the successes without failure .;