NOTE FROM TED: This TEDx event was independently organized by volunteers by and for a youth audience. The guidelines we give TEDx organizers are described in more detail here: http://storage.ted.com/tedx/manuals/tedx_content_guidelines.pdfDaniel Handoko's talk was recorded at International Full Gospel Fellowship Surabaya for TEDxSurabaya. Meet Daniel Handoko, a passionate advocate for children’s literacy, who created BookLens to help young readers choose age-appropriate books. By scanning barcodes, his app empowers kids to make safe reading choices. This year, his innovative vision earned him a $2,500 grant from the Ciena Solution Challenge! This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at https://www.ted.com/tedx