It is worth noting that an ordered K/V store is a very simple and flexible data structure in terms of the types of operations that can be efficiently layered on

It is worth noting that an ordered K/V store is a very simple and flexible data structure in terms of the types of operations that can be efficiently layered on top of it. The simplicity gives you guys a chance to do something insanely hard like distributed transactions. The flexibility lets people build a ton of different abstractions on top of it.