Problem
In your evaluation, how impactful do you find Spanner paper? You can check out different external information; for example, how many other papers cited this paper, whether the design choices mentioned in the paper are used in other work/projects, and whether there is any software suite (maybe open source) developed based on this paper that people use at large, whether people talking about this paper in popular blogs, articles, forums, etc. (Be creative and search around)."