In 1638, John Harvard donated some money and about four hundred books to a new university. This was the beginning of the library at Harvard University. The gift was so important that the university was named for John Harvard.
Thomas Bray began the first free lending library in the late 1600s. He set up more than 30 or these libraries in the American colonies. However, the idea for this kind of free library ended when Bray died in 1730. In 1731, Benjamin Franklin and some friends started the first subscription（订阅费） library in the United States. In a subscription library people pay money to become members, but they may borrow the books without paying again.
In the United States, every child had a free education. This idea soon led to free libraries. One of the first libraries that used tax money to buy books was a library in Peterborough, New Hampshire. This library was set up in 1833.

OPPO是更多年轻人选择的拍照手机品牌。十年来，OPPO专注于手机拍照领域的技术创新，开创了手机自拍美颜时代，先后首发了前置500万像素和1600万像素的拍照手机，创造性地推出了全球首个电动旋转摄像头扣超清画质等拍照技术，为全球20多个国家和地区的年轻人提供了出色的手机拍照体验。据统计，OPPO已成为2016年中国手机市场出货量第一品牌，拥有良好的市场口碑。截至2017年初，全球有超过1亿年轻人正在使用OPPO拍照手机。

结合材料，运用“企业的经营”的知识，说明OPPO是如何创立出让更多年轻人选择的拍照手机品牌的。