I have been a Premium Member of academia.edu since at least 2016. During the first five years (2016 to 2020), I have been charged each year (June to June) the sum of EUR 99. For 2021, 2022, 2023, the invoice was EUR 118 (which means an ''acceptable" increase of 20 %). But for renewal starting June 2024, academia.edu increases my bill by more than 100 % and ask me to pay some EUR 238, i.e. the double of the price I have paid for the previous 3 years. I told them this was not fair, not reasonable, not justified : I explained I won't pay for it and I will delete my account as well on June 30th, 2024. Their reply was as poor as possible and a bit "tongue in cheel".Now, as I am no more a Premium Member, they offer me to become one on the home page of my account at a price 50 % off !!! What sort of strategy is that, if any ?