Answer:
Astroturfing is called the set of measures carried out by certain governments, by means of which they incite certain demonstrations or demonstrations of public opinion with the aim of making these appear genuine spontaneous mobilizations on the part of society.
Thus, many times the intelligence apparatus of governments modify public opinion in online surveys, making it seem that part of society has an opinion that is not really such. Therefore, I consider correct the statement that says that between 20% and 40% of online surveys are fake.
