Matti Makkonen who died on 30 June 2015 was a the man responsible for conceiving the idea of which technology?
A. Gmail
B. Short Messaging Service (SMS)
C. SIM Card
D. Ringtone
Answer:B
Matti Makkonen who died on 30 June 2015 was a the man responsible for conceiving the idea of which technology?
A. Gmail B. Short Messaging Service (SMS) C. SIM Card D. Ringtone