The mood on her Twitter feed was dark and full of anxiety, so LaShawn Toyoda, 36, decided to do something about it.

¡°People were really upset, scared and stressed out,¡± she says. ¡°With the Olympics coming up, worries about the pandemic were exacerbated by the slow rollout of the vaccine and the lack of (English-language) information about the voucher system. They had no idea when they would get one, and resources in languages other than Japanese were scarce.¡±

Toyoda had a new set of skills that she could apply to the problem, as she had recently learned to code.