innovation adoption model of communications

3:37

3:34

5:01

5:23

19:04

7:16

8:12

6:57

20:15

9:42

4:58

4:13

7:48

5:06

18:21

3:50

9:02

32:54

13:58

9:51

9:19

11:44

1:31

9:30

10:21

1:44

2:59

5:35

7:53

15:51

4:38

7:51

8:20

19:04

10:17

7:26

16:49

3:57

1:16:41

1:50

8:38

3:58

2:19

4:29

1:55

8:40

20:01

11:17

8:06

7:01

4:43

3:36

6:06

7:05

44:38

11:55

8:23

10:28

15:27

19:53