Credit: Tim Steele (photographer) Copyright: Felicia Yap

Imagine a society divided not according to wealth or education, but on its capacity to remember. Humans are either lowly Monos (those who remember only yesterday) or enviable Duos (who can also remember the day before). The only connection to the past is an iDiary (hello Apple!) in which people record and keep track of all notable events – or at least, their version of them.