Add Design Amazon's sales ranking by category feature image

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Donne Martin 2017-02-26 05:22:20 -08:00
parent 068480aa55
commit be5e6940a8

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@ -312,3 +312,9 @@ Check out the following links to get a better idea of what to expect:
[View exercise and solution](https://github.com/donnemartin/system-design/blob/master/solutions/system_design/query_cache/README.md)
![Imgur](http://i.imgur.com/4j99mhe.png)
### Design Amazon's sales ranking by category feature
[View exercise and solution](https://github.com/donnemartin/system-design/blob/master/solutions/system_design/sales_rank/README.md)
![Imgur](http://i.imgur.com/MzExP06.png)