ภาคธุรกิจ จะหมายถึง a network of sensorized embedded systems
http://www.gartner.com/it-glossary/?s=iot
http://community.comsoc.org/blogs/alanweissberger/internet-things-iot-key-messages-part-2-idc-directions-2014-market-survey-abst
ภาควิจัย จะหมายถึง the Internet of sensorized embedded systems
http://theinstitute.ieee.org/static/special-report-the-internet-of-things
http://www.internet-of-things-research.eu/about_iot.htm
ITU's IoT definition (https://www.itu.int/en/ITU-T/gsi/iot/Pages/default.aspx) :
The Internet of Things (IoT) has been defined in Recommendation ITU-T Y.2060 (06/2012) as a global infrastructure for the information society, enabling advanced services by interconnecting (physical and virtual) things based on existing and evolving interoperable information and communication technologies.