E-commerce can be interpreted as doing any business online or it can also describe any kind of commercial transaction that is facilitated through the internet.
With the rise of 4G, compared to third-generation mobile networking, quality video streaming and calling became very popular among users, i.e., they now watch live TV on a routine basis, every day, leading to busy lines which in turn, increased congestion in the network. More video streaming, more congestion in the network!