SevenCubed - 3:48 pm on Sep 18, 2012 (gmt 0)

Because nobody ever rolls out anything new on a Friday, in case nobody is around to fix it when it breaks

Employees that hold critical positions that manage important areas within a company such as network access control or their commerce doorway via the internet are always around 24/7/365 and ready to react to something adverse. I am referring to the people who tend to interact with those websites.