When we build systems our design and tradeoffs reflect the different scales of the system: the speed of disks, latency of network; They reflect the constraints and abilities of the underlying technologies. But as technology advances some of these assumptions have become invalid. We are no longer running on physical machines for which RDBMS systems were designed; SSD changed pretty much everything in the storage world, but our software was designed for magnetic disks; NVRAM? O/S design is way off. This talk explores how changes in hardware technologies impact design rational of various systems, highlighting the importance of understanding and rethinking the design rational and explore new designs that arise from the new rational.