'Secret Ink & Tiny Sensors': Bill Gates Predicts New Biotechnology That May Oust Smartphones

Microsoft co-founder Bill Gates has an obvious predilection for making predictions. However, from forecasting that the worst of the COVID-19 pandemic would be over in 2022 to suggesting that the world will have ditched credit cards by 2007, the philanthropist has somewhat of a mixed track record when it comes to gazing into the crystal ball.