This smart dustbin with built-in suction for dirt and debris changes the way you take things to the trash Based in Singapore, Hongzuo used to write for T3 Singapore covering tech and lifestyle topics.

Emptying a Smart Bin takes about 45 seconds. One sanitation worker unlocks the ruddy orange container with a swipe of his hand, using a keycard tucked into his glove. A door at the front of the bin ...