“When you transition from selling something from a physical product to a digital product,” Shiller explained, “it allows the seller, the publisher to restrict resale, they can prevent you from reselling the item, and that ends up being very profitable, particularly for the types of goods that people grow tired of.” This suggests that companies selling these goods have a strong incentive to find ways to distribute products where people can’t resell it, with digital distribution a great way to accomplish this. Resale markets tend to disappear in these markets as a result, he added: “I think it’s more hidden rather than acknowledged.”
Not the day you're after? Here's the solution to yesterday's Strands.
。新收录的资料是该领域的重要参考
记忆里，六年前的春天格外漫长。当人间大地终于从一场寂静的病痛中苏醒，我的生活，也迎来了属于自己的“解封”。
Thomas NaadiBBC Africa, Suhenso，这一点在新收录的资料中也有详细论述
华为与中国联通共同发布Universe生态开放平台
对比之下，备受追捧的人形机器人在公开报道中，似乎都集中在科研、教育或者展厅等偏展示性质的场景。由此也引出两个值得深思的灵魂拷问：人形机器人到底带来了什么实际价值？机器人一定要做成人类形态才算是前沿产品吗？。业内人士推荐新收录的资料作为进阶阅读