Munich says the move to open source has saved it more than € 10m, a claim contested by Microsoft, yet Hofmann says the point of making the switch was never about money, but about freedom.
There's a term in sales that makes companies smile and customers itch: "sticky," or hard to let go of once a customer makes the initial purchase. Vendor lock-in is a real issue in computing that companies and governments should actively avoid. It's always a good idea in IT environments to have the ability to switch if something better comes along, and Microsoft spends a huge amount of time and energy making its products hard to walk away from. Whenever they release a
bad patch, introduce a feature you hate, or gives you terrible support, it's a reminder that one company for your OS, Office, and email might not work.