Users of the sales management software made by Friendly Inc., do not change to software made by competing companies because that would entail the difficult tasks of converting their data and training their staff. We can infer that users have: Users of the sales management software made by Friendly Inc., do not change to software made by competing companies because that would entail the difficult tasks of converting their data and training their staff. We can infer that users have: increased power increased rivalry in the industry high switching costs poorly trained staff