Demand for higher bandwidth has led to research on unexplored frequency spectrums, such as the terahertz-band for 5G. The first flexible graphene-based terahertz detector will enable new applications in sensing and Internet of Things. The unique electronic properties of graphene, combined with its flexible nature and ease of deposition makes it a promising material to integrate electronics into plastics and fabrics, which will be the building blocks of a future truly interconnected world.