Tomisin Ogunnubi was just 12 when she created an app which helps lost children in Nigeria.

Tomisin Ogunnubi was just 12 when she created an app which helps lost children in Nigeria.
More here: https://t.co/vWeraT7lr3#BBCInnovators pic.twitter.com/Q0McuAFJlB

— BBC World Service (@bbcworldservice) August 28, 2018