SOCIALNETWORK
ELEARNING
FORUMS
EMAIL
CHATS
E
I
S
Y
S
H
O
P
U
T
B
L
A
U
I
S
S
X
O
E
O
J
J
I
V
T
E
X
H
E
O
L
W
O
U
I
Z
Z
E
U
R
C
U
X
M
C
A
U
R
X
U
I
A
Z
E
O
F
J
U
A
I
H
F
V
S
I
H
G
I
U
O
W
U
M
I
A
U
L
H
F
U
Q
G
U
V
H
U
H
U
L
L
O
U
B
Z
C
U
N
O
W
L
A
B
G
F
N
Q
A
J
A
H
B
I
D
Z
G
C
O
D
O
E
U
O
L
U
T
D
N
S
A
T
R
N
I
D
T
Q
E
D
J
A
J
R
M
V
I
W
U
K
X
W
R
F
O
O
F
M
A
H
I
O
A
W
U
P
O
I
K
O
I
E
I
E
P
F
O
R
U
M
S
R
I
R
D
U
T
A
L
E
Y
A
J
E
V
M
K
U
P
R
L
Y
J
E
I
I
R
E
A
E
C
P
Q
Y
A
U
R
O
K
J
R
C
L
K
V
E
