How Africa's Tech Generation Is Changing the Continent

Inspired by Silicon Valley, young entrepreneurs are bringing life-improving innovations to sub-Saharan communities.

One day in 2004, in the Kenyan farming village of Engineer—so named because an Englishman once ran a mechanical repair shop there—a slight and nearsighted boy was walking past the only printing shop when his eyes fell on something he had never seen: a computer.

The boy watched as the owner stabbed at his keyboard. Edging closer, he saw pages spew out of a printer. Standing beside the humming machine, the boy stared mesmerized at the words and numbers that had somehow been transmitted from the computer. Almost a teenager, Peter Kariuki had discovered his destiny.

His parents, subsistence farmers of cabbages and potatoes, began to worry that Peter was spending too much time at the printing shop. No one in Engineer had access to the Internet. Few even had electricity. Tech booms were a faraway notion, and talk of random scrawny, bespectacled kids inventing hardware or writing code and cashing out in their 30s had yet to reach Engineer. Regardless, Peter was hooked. When his superb grades in primary school qualified him to attend the prestigious Maseno School (whose alumni include Barack Obama’s father), a teacher gave Peter the keys to the computer science lab, where he could code all night long.

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