There are some things that belong in a computer. Wires, chips, whirring mechanical doodads—what most of us would think of, sensibly, as “hard drive stuff.” Absent from this list—absent from most lists, except those dealing with repugnant, six-legged disease vectors—are cockroaches. A...

  Vietnam’s burgeoning IT sector is showing no signs of slowing down and continues to generate strong revenue for local and foreign players alike. Hanoi and Ho Chi Minh City, in particular, have developed an extraordinary IT ecosystem and seeing a mushroom growth of startups. Meanwhile, there...