See my answer here https://news.ycombinator.com/item?id=17844341 https://news.ycombinator.com/item?id=17844341 They are not doing any sort of error correction.

See my answer here https://news.ycombinator.com/item?id=17844341 https://news.ycombinator.com/item?id=17844341 They are not doing any sort of error correction. For the foreseeable future, it is indeed much cheaper (by orders of magnitude) to buy commercial cloud computing.