"FHIR is a new open web API for healthcare data exchange. It's especially suited for cloud and mobile applications." says Ewout Kramer, one of the 3 prinicipal acrchitects of the HL7 FHIR standard. This video contains a brief overview of some of the core chatacteristics of the FHIR standard, This is effectively Ewouts "elevator pitch" for FHIR. See hl7.org/fhir for details of the standard; see here for a one-day training course about FHIR.