"The analysis in this report relies on a detailed and comprehensive analysis across 22 distinct markets within three broad sets of industries: (a) Telecommunications and internet access, (b) Online and traditional media services, and (c) Core internet sectors. Through this structured approach, the report aims to provide a nuanced understanding of the evolving trends within Mexico's communication system and to address a simple yet profoundly important question: are the media—individually and collectively— becoming more or less concentrated? The data presented in this report reveal a pervasive trend of high concentration across nearly all sectors under examination. The majority of sectors demonstrated a high degree of concentration according to the Hirschman Herfindahl Index (HHI), with the Pay TV market recording a substantial HHI of 4444 points, and the Free-to-Air TV market following closely with 3522 points. To be sure, a few sectors bucked such trends, with radio, fixed telephony and internet access markets, for example, all registering HHI scores in the moderate range of the scale, as reported by the Federal Telecommunications Institute (IFT)." (Executive summary, page 1)