The elimination of a product does not mean that the manufacturer stops production, but gradually withdraws from the market. However, there is a connection. When the manufacturer stops production and produces new substitutes, the number of users decreases gradually, and the product can be completely withdrawn. Elimination is not a matter of a day or two, but a process of time.

I heard that most people use this kind, why not use hard disk flash memory? Most people are not "rich second generation" to spend a lot of money to buy things, it is impossible to throw away. The effect of cassette recorder is not necessarily bad. Professional cameras are still using cassettes. 10 years ago, when there was no hard disk, a professional camera could take a clear image by lighting a candle in the room at night.