saved pages by linking the SHA256 of the pages into the blockchain.
Солнце выбросило гигантский протуберанец размером около миллиона километров02:48
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Those companies knew they had a captive audience, so they bought up as many journals as they could. Journal articles aren’t interchangeable commodities like corn or soybeans—if your science supplier starts gouging you, you can’t just switch to a new one. Adding to this lock-in effect, publishing in “high-impact” journals became the key to success in science, which meant if you wanted to move up, your university had to pay up. So, even as the internet made it much cheaper to produce a journal, publishers made it much more expensive to subscribe to one.,推荐阅读下载安装汽水音乐获取更多信息
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