True... but thing is..... in general this migration happens in such a natural speed.. dead slow.... which is not noticed.. unless the results are shown in day to day leaving.....
And hence if the migration is a issue of concern..... The sooner it is resolved the better... as with time.... you never know where is it going and what shall be the result in near future of the same.... :)

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Reality is a Illusion Caused Due to Deficiency of Alcohol