Comparing: TV programmes nowadays vs past

Question 1

Are TV programmes nowadays the same as TV programmes in the past?

Answer 1

Well obviously there are a number of clear differences. However, I guess that the most significant would be that +…………….+ Whereas in contrast +……………..+.

In addition to this, another possible distinction might be that +………….+ while on the other hand +……………….

Well obviously there are a number of clear differences. However, I guess that the most significant would be that (There are a lot of reality shows for entertainment on TV today). Whereas in contrast (TV programmes used to use mainly for educational purposes in the past). In addition to this, another possible distinction might be that (there are too many advertisement on TV programmes nowadays and I believe it significantly reduce the quality of these programmes)