When people use your services in a matter assuming such, yes, I do believe so.
At the very least you should grandfather in old users and only change it for new users going forward.
At the very least you should grandfather in old users and only change it for new users going forward.
What did I do? Found a different job and employer. Jobs are like insurance rates: you should shop around occasionally. For businesses it's a cost of doing business when trying to compete to lure new workers.