I received the e-mail above from Amazon Web Services after recently signing up for another test account. The e-mail had me thinking about the impact of data gravity on AWS, both positively and negatively. For those who are new to the term, data gravity is a concept first coined by Dave McCrory, current CTO of Basho. It refers to the idea that “As Data accumulates (builds mass) there is a greater likelihood that additional Services and Applications will be attracted to this data.” McCrory attributes this data gravity phenomenon to “Latency and Throughput, which act as the accelerators in continuing a stronger and stronger reliance or pull on each other.” This is so because the closer services and applications are to their data, i.e. in the same physical facility, the lower the latency and higher the throughput. This in turn enable more useful and reliable services and applications.