A: our WordPress website that use heavily Facebook APIs is not working anymore because of the privacy changes
B (thinking): seems something easy, check the settings and do an invoice of the job for a portal that we didn't done and get a new customer
B: we can do it in blablabla for blablabla

Silence from the A side

1 month later...

A: I didn't found your bank account for the payment but we are ready to do that fix. And we have also a new feature request.