Cisco has created a powerful infographic showing how devices, independent of individuals,is becoming the dominant factor of the Internet. The examples here may seem remarkable now, but soon this will be commonplace.
One thing they left out is the use of QR code. While instruments are things actively participating on the Internet, QR codes allow things to be passively on the Internet. For example, trees or animals or lakes or locations could be tagged with QR code and that QR code could be associated with a URL. In essence, any Thing that can be tagged with a QR code can also be on the Internet of Things.
See Cisco: 50 Billion Things on the Internet by 2020 [Infographic] for a bigger image