Teens analyzed more than expected

274k | 6:07

78k | 7:43

133k | 5:36

163k | 7:53

250k | 9:26

361k | 5:04

402k | 5:19

274k | 7:16

881 | 23:05

2k | 11:42

3k | 5:19

4k | 6:15

5k | 16:13

5k | 5:30

7k | 16:56

9k | 6:35

16k | 7:07

19k | 6:15

19k | 6:15

20k | 9:28