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How to evaluate Sony's DPT-S 1 ebook?
First of all, DPT's direct competitors are only kindle DXG, iPad Air and Surface Pro, which should not be compared with other kindles at all.

Reading materials such as papers, paintings, music scores, and even teaching PPT are destined to be satisfied with the big screen. After market segmentation, in the face of these needs, only the above products are left to choose from. I used dxg for a while, and then I gave up.

For popular literature books, this size obviously has no advantage at all.

One disadvantage of the combination of iPad and stylus is that you have to choose a specific app or write like a brush, which is obviously not the posture people are used to now.

Compared with DPT, Surface Pro 3 is slightly larger and has poor endurance.

There are many things that DPT cannot do.

1. Can't look up words (barely cooperate with mobile phone)

2. You can't read anything except pdf (it's convenient to convert PDF under linux, including reading notebooks).

3. It is not convenient to synchronize documents (non-serious books are completed by mobile phone during the fragmentation time, and serious books are copied by usb).

4. When each chapter has references, don't turn the page quickly (sit through it).

Wait a minute.

I remember that there was a sentence in the advertisement of KPW, saying that I hope everyone will forget KPW itself when reading and concentrate more on reading.

I think DPT is the product that really realizes this vision.

Brief introduction of several reading advantages of DPT;

1. Page turning is fast enough.

2. All comments and instructions are based on standard PDF.

3. Without complicated file structure management, it is copying and using.

In contrast to these characteristics, you can choose according to your own needs. In my case, only Surface Pro 3 can be replaced by DPT-S 1, which is just about the same price.