Each driver has a characteristic spatial and temporal scale at which it affects ecosystem services and human well-being. Climate change may operate on a spatial scale of a large region; political change may operate at the scale of a nation or a municipal district.
Amazon has several competitors in the electronics and general merchandise segment, many of which are brick and mortar rivals including Best Buy, Family Dollar, RadioShack, Staples, Target, Walmart, Sears, Big Lots, Delia and Systemacs.
AWS spot market is where computing and finance meet. Amazon(s amzn) last week launched a contest for companies to show their Spot Instance pricing strategies, with $5,000 in AWS credits going towards the best use cases and $3,000 in credits going to the runner up.