This week history is on everyone’s mind, especially in our little world of web analytics. Yes history when it comes to the economy (no one likes a recession!), the war (ok no one like this for sure!), the elections (raise taxes! no, no, cut taxes!) or the Super Bowl (go Giants!!). But with all that I am positive this week the thing top of mind for many web analytics practitioners is what to do with their historical web analytics data. Do we switch or do we not switch? What happens to my tags? What about my contract? Where do I…