弱智商品
在生活中我们总能遇见一些奇葩的人，奇葩的事儿，当然也有奇葩的产品。这还不算，关键是一些奇葩商品打出来的广告很侮辱人的智商，这就有点不对了。今天小管家就来和大家一起盘点一下网购平台中的那些智商税商品。
节电神器
emmm……这东西真的，怎么说呢，但凡上过九年义务教育的朋友都不会上当吧？能量守恒定律总听说过吧？我是实在想不出有什么黑科技能突破现有的基础科学，能让电表倒流。之前也有人买了测评过，里面就是个水泥块加几个电阻，完全没有任何科技含量，看着几万几万的销量小管家真的是哭笑不得。
手机信号增强贴
手机信号增强贴也是智商税的一种。怎么说呢，这玩意儿就是个有图案的贴纸，也不知道谁这么有才，在上面画个电路板线条就能卖钱了，这可比美院毕业街头画画强多了。金属是会阻挡信号的，所以仔细观察一下你的手机，如果是金属中框的话肯定中间是有断开采用塑料填充的。这信号增强贴贴在无线充电或者NFC的位置跟信号有半毛钱关系？有拆机经验的小伙伴更是知道手机天线都是在边框附件，后盖中间位置只有电池啊亲，要骗人也有点常识啊。
节油神器
随着俄乌战争的继续，国际油价的暴涨，国内的92号油也站上了8字头，9字头也并非遥不可及，所以各种节油的妖魔鬼怪也都上线了。常见的节油神器是插OBD接口的一个小东西，至于其他更弱智直接贴加油卡的节油卡我就不讲了。一般插OBD接口的小东西是调节ECU的各项参数来实现所谓的“节油”，实际上并没有任何卵用，发动机在设计的时候就已经大致上定下了油耗，后续ECU的调节只能是优化在各个油门深度的转速之类，所以，不要拿你的业余爱好去挑战百年车企的专业。真想要节油不如油门轻踩降低发动机转速来的明显。
本篇完
古人云，活到老学到老。每个时期都存在相应的智商税系列，我们消费者能做的就是看清大致原理来判断是否真的实用。如果是自己实在不擅长的领域，还是少碰少错，不碰不错吧。
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