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      "body": "一、那天的点滴事情\n\n今天去奥森跑步，准备回去的时候看到广场有一大群大爷大妈们在合唱，于是凑过去看看，大爷大妈们并不是那么井然有序（像是陆陆续续到来加入的样子），但大爷大妈们表现出了极其专业的水准（有乐器组，还有指挥，歌唱的也是跟着指挥唱的跌宕起伏还有精彩的二重唱），这时还有更多的大爷大妈们加入，唱的都是大爷大妈们那个年代的歌曲，出于对音乐的喜爱逐渐加入的人越来越多了，组织者也准备的非常专业，乐器组有吹笛、打鼓、电子琴、萨克斯等，乐器的人就有十几号之多，同时还有音箱。其实人人心中对音乐都有一颗喜爱的心，能沉浸到音乐之中，我其实一直在找机会去接触、学习音乐，类似一些交响乐（其实最开始就是被琴乐之音所吸引），于是自己就在幻想如果这类活动能扩展到交响乐（目前国人多音乐的认识和欣赏水准相比国外的平均水准还是有差距的）就更好了，因为目前需要去了解接触交响乐成本都非常高，这样的话，从红歌演唱到交响乐演奏，能培养很大部分人的音乐知识，让大家并不仅仅为物欲而活，精神层次的享受也会越发被大家所接受，于是公益性质的这类精神活动应该被广泛的推广，然而我又能帮着做些什么呢？听组织的讲话中，得知他们基本是通过口头协定，周三、五还有周六、日，上午9点到11点，并没有一个便捷的通信工具能辅助他们将有兴趣参加的人都实时的聚集在一起，于是就想起来可以做一款应用将不同兴趣的人能聚集在一起，同时可以随时发布活动日程，可通过社交方式随时沟通交流，让更多的人发现不同的兴趣小组（这个想法目前还缺乏真正意义的需求，仅仅存留在自己想象需求，回头有时间可以去调研一下组织活动的看看他们是否有这个需求，并且在这之间还有没有其他的沟通需求）。\n\n二、老年真该无所事事么\n\n同时自己也想了想，目前这些大爷大妈他们这些很多都无所事事(无贬义)，他们这个年龄也不能说要为社会付出什么，他们已经付出的够多，到了这个年龄他们的社会责任得到释放，他们这些大把的时间，应该去追求他们年轻所没有实现、自己原本兴趣所在的东西，去丰富他们的晚年生活，而不应该一到晚年没有活干反而感到空虚，同时在他们追求自身的兴趣时，能对社会付出某些价值，比如上面所说到交响乐、唱歌等！\n\n三、与我的自身遭遇结合\n\n去年，自己和朋友搞了一个裂变的线下想法/经验分享沟通活动，现在想起来，其实有这么一个APP其实也会辅助我们活动的开展，能将不同兴趣爱好的人更好的聚在一块，同时我是一个闲不下来的人，平时也会频繁的查看某些公众号，看看最近哪里有活动、论坛、演讲，然后跑去参与，但即使活动有想要认识的人，会后也不了了之了，其实这种情况是最合适将兴趣相投的人聚合在一起的时刻。\n\n四、功能设计\n图片显示不了，详见如下链接\n原文链接：https://mindworld.xin/?/article/21",
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      "body": "投影仪，其实对这个又爱又恨，爱呢是因为它可以利用任何地方的随处可见的一个白屏，仅能展示影像，恨的是现在很多缺点，亮度不够、投射距离太长、价格太高、使用寿命应该是比一般屏幕要短，之前已经考虑很久要在家里买一个投影仪，当担心使用较为麻烦，最关键的是亮度问题，客厅应该是随时都处于明亮，如果亮度不够，无疑是最致命的问题，还有就是看中的几个投影仪都是支架撑起放在客厅的，人员走动容易遮挡画面。\n\n百度今年与极米合作推出了一款吊顶等+投影+音箱，可以说是比较符合使用，毕竟上次去一个电影主题酒店，投影仪吊顶在床上方，其实解决遮挡情况还是比较令人满意，特别的一点是，投影这个东西比较适合放在卧室，卧室大部分应该拉上窗帘，对于投影的低亮度在应用场景上算是比较巧妙的被解决，并且和吊顶灯结合可以将直接吊顶投影仪的突兀问题有效解决，使投影在家的环境中更加融洽\n\n总结，肯定还是需要观望硬实力，比如亮度、清晰度等等，当这个产品在产品设计上非常新颖，让投影与生活更加融洽，让人们能更加接受投影",
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