Lock-in via openness

This is really clever.  Fedex is opening up access to their systems so that 3rd party and in house developers can connect and get data.  Once they do this they will be much more likely to use FEDEX services…and far less likely to care what their competitors websites have to say when they can get FEDEX data in their own app.
FedEx Locks In Customers By Tying Shipping Data To Back-Office Apps – News by InformationWeek