Siraj Datoo

Siraj Datoo writes about technology and business for Quartz.

Meet the Man Who Builds Things on Water, From Slum Schools to $14 Million Villas

To Koen Olthuis, water is just the place where you put foundations.

This Recycling Bin Is Stalking You

London's trash cans are monitoring the phones of passers-by, so advertisers can target messages at people.