The power and influence of dominant tech platforms — Google, Facebook, and Amazon, in particular — have become a central topic of debate. In this paper, I argue that these firms are best understood as the core infrastructure of our 21st century economy and public sphere. Whether it is...

"Since the first few airline tickets were sold online in December 1995, global online travel has grown to generate half a trillion dollars in annual revenue. This development has brought significant changes to airline businesses, travel markets, and consumers. Today, airlines worldwide not only...