php editor Yuzai introduces you to a practical tool - Little Black Box, which is a free browser plug-in that can help users view the historical price trends of products, including historically low prices. Using the little black box is very simple. You only need to install the plug-in in the browser, and then when browsing the product on the shopping website, you can instantly view the historical price of the product, which facilitates users to judge whether the current price is historically low. The use of small black boxes can help users save shopping expenses and provide a better shopping experience.
The first step
Select [Little Black Box] and click to enter;
The second step
Select [I] and click to enter;
Finally
Click [History Low] option, we can proceed.
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