>>510277147
I think the smartphone is the most relevant invention in the 21st century, because it has changed the world in so many ways we can't even realize yet. I still remember when I was a kid and cellphones were almost useless and mobile internet was terrible, so everyone would just use the internet on their PC. I think I was 10 when smartphones became really popular in my country but I didn't like them until I was 16 and lost my PC