Love the New and Loathe the Old

It's an old - fashioned wooden armchair that has been kept by my family for many years. Now its color has been* changed from dark brown to chestnut and the flora patterns engraved onto it have been* worn down into rounded edges. It still works like a charm since it has very stout structure is very well built and is made from a precious and extravagant exotic material: sandalwood. However, sometimes after sitting on it for a long time, I have a sore back because the material is very hard and solid. It's torturing a nightmare if you sit on it for a long period of time and it's not good for one's health. So I will be comfortable happier if I replace it with a sofa or a computer chair that has soft materials and is well - designed for health ergonomically made/built.

Nowadays, many new products are aesthetically and ergonormically designed with cheaper materials that are user friendly and good for physical health**, although they are sometimes not worth more money than the old ones. I believe the trend of designing cheaper but practical new products is good. Although old products possess preservation are worth preserving for their historical/sentimental value, new ones are more advanced and practical.

I believe the future design will continue to follow the trend of designing practical, user friendly and environmentally friendly products.

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* Using the passive voice here is wrong, since you would have to say who or what changed it. And since it's actually the effects of time and use that you are noticing, you can omit it altogether: its color changed to... 

** "Materials" are not usually associated with the word "user friendly". A product can be user friendly, in the sense that it's ergonomically built with non toxic materials and so on, but a material itself is not.