We’ve seen that before, too: civil rights era sit-ins and freedom rides with multiracial participants drew the fierce ire of authorities alike, but black protesters were far more likely to be targeted with harsh jail sentences and violent pushback.

An extreme example is provided by Tzu-yang county, in Shensi, one of the poorest regions, the annual tax return of which was 341 piculs of grain, less than one-thousandth of Shanghai's.

If ν_(IN) has 50% duty-cycle, then the outputs are in quadrature.

We also document, as a key feature of SMS communication, hybrid forms of language use that blur the boundaries between what we commonly call languages (e.g. homographs, mixed spellings or allogenisms), and we suggest that these possibly indicate that SMS communication has become one site where the tension between localized and globalized social practices is played out.