Technology is a host of social and material techniques, tools, and methods. Today, this vast field can be divided into three subfields: 1) Digital Technology, which ranges from blockchain and diagnostic medical technologies to cognitive augmentation technologies; 2) Spatial, Temporal, Aural and Visual Technologies, which include technologies for building spatial structures and manufacturing instruments; and 3) Epistemic Technologies, which include techniques of knowing, from scientific protocols to probabilistic scenario modelling.