Apr 21, 2021 Notaaable! https://elpais.com/tecnologia/2021-04-20/el-nieto-que-invento-el-yayagram-para-comunicarse-con-la-abuela-felisa.html?ssm=FB_CM_TEC&utm_source=Facebook#Echobox=1618915869 Felipe Muñoz Cañas @felipe