A chart showing Yahoo!, Hotmail and Gmail MAUs over time, based on third party and self reported data

1. DEC-97
APR-98
AUG-98
DEC-98
APR-99
AUG-99
DEC-99
APR-00
AUG-00
DEC-00
APR-01
AUG-01
DEC-01
APR-02
AUG-02
DEC-02
APR-03
AUG-03
DEC-03
APR-04
AUG-04
DEC-04
APR-05
AUG-05
DEC-05
APR-06
AUG-06
DEC-06
APR-07
AUG-07
DEC-07
APR-08
AUG-08
DEC-08
APR-09
AUG-09
DEC-09
APR-10
AUG-10
DEC-10
APR-11
AUG-11
DEC-11
APR-12
AUG-12
DEC-12
APR-13
AUG-13
DEC-13
APR-14
AUG-14
DEC-14
APR-15
AUG-15
DEC-15
APR-16
Communications services adoption (active users)
Gmail active Users Hotmail / Live Yahoo! Mail