Why Web Services Failed at SOA (and Why REST May Fail Too!)

Why Web Services Failed at SOA (and Why REST May Fail Too!)
— First, let us review what is the concept behind services, with particular mention of the web services themselves.
A service is a business functionality exposed by a simple interface. Note that it is not an object, nor a method, nor a module, not a procedure. It is pure business functionality.
Services are consumed, not called, nor executed nor invoked. We define the service consumption as the interaction between agents, a client and a provider, which will communicate using a messaging system, where the data unit is a document. Consumption may be local or remote (meaning a service may not require remote communication).
A service may live in the web, where they are modeled as resources, identified by a URI. If not living in web, as suitable endpoint implementation should be provided.