The objective of this article is to describe and present the main digital media and social networks used worldwide and in the specific case of Mexico, pointing out the transcendental importance they acquire to study social relations today.The work is structured according to the deductive method, with a hermeneutic paradigm, elaborated under a quant

A compact quad-port Multiple-Input-Multiple-Output (MIMO) antenna with an electrical dimension of $0.28lambda _{0} imes 0.28lambda _{0}$ and impedance bandwidth of 5.03GHz (2.42-7.45GHz) is proposed.By combining a tapered feed line and stubs in the ground plane, which serve as open circuit stubs and whose dimensions are properly tuned to compensate