Hey everybody, welcome toMeiguo Shushu Shuo Yingyu (美國叔叔說英語).It has been said that"a picture is worth a thousand words". In that case, there are books and books of words in the greatest online library ever compiled.I'm talking about yourMoments (朋友圈)onWeChat (微信), where at any time we can find photos of friends and strangers doing things from crazy,unique (獨特)behavior to boring, everyday living.The question thatsocial scientists (社會學家)of the future will have to answer a million times is, "why did everybody really want to see what everybody else was eating all the time?".So, recently someone I know asked me if I really believed what I saw in photos.It's an interesting question because photos are not actually real, right?Do things exist only because we can see them? Are we real?What if what we do every day is just avirtual realitysimulation(虛擬現實模擬)on someone's screen in the sky?Ok, well, let's just believe that this world is real, and I'm here, you're here, and...