Some weeks ago, I blogged about Monumental Agile Adoption. That is, large scale adoptions involving several 1000s of people. Even though they don’t represent the majority of agile adoptions, we are still excited and inspired to hear about them.
Delta’s chief information officer, Theresa Wise, said the airline had to merge 1,199 computer systems down to about 600, including one — a component within the airline’s reservation system — dating from 1966.
The challenge, she said, was to switch the systems progressively so that passengers would not notice. Ms. Wise, who has a doctorate in applied mathematics, devised a low-tech solution: she set up a timeline of the steps that had to be performed by pinning colored Post-it notes on the wall of a conference room.