Dar es Salaam, April 28 -- ZANZIBAR: EVERY fourth Thursday of April, the world comes together to celebrate the achievements of young women and girls during the International Day of Women and Girls in Information, Communication and Technology (ICT).

While it appears on our calendars just once a year, the inspiring journeys of young Tanzanian women remind us why this celebration must continue every day, until every girl can fully claim her place in the digital world.

For example, born on Pemba Island, Mulhat Abdalla Juma would stand outside her familys home as a child, watching airplanes carve silent paths across the sky.

To most in her village, those distant machines were little more than dots disappearing into the clouds. To Mulhat, th...