how to find trending topics for youtube

5:10

4:44

3:24

3:55

10:00

3:40

6:38

10:31

16:55

3:30

13:09

7:46

20:02

2:13

17:31

2:54

11:38

7:15

23:04

5:01

5:42

4:20

5:36

11:31

16:44

4:43

7:03

8:06

1:43

11:32

1:52

5:45

23:26

2:00

24:17

8:21

10:15

2:47

7:15

8:24