As to the changes to the technical content of the specification, in truth, the protocol has really not changed all that much.

至于在技术内容方面，实际上协议并没有很大改动。

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Hastings changed the video rental, video delivery system, and premium content access infrastructure models, all within just 13 years.

哈斯廷斯改变了影片出租，视频出租系统和专享服务内容来访问基础设施模型。

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And the components and content of oil have all changed: some of hydrocarbons with the higher boiling point are degraded into low-carbon hydrocarbons with low boiling point.

石油的组分及各组分的含量都发生了变化：其中一些沸点较高的烃类都降解成了沸点较低的低碳烃类。

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We all know that Social media and user generated content has forever changed the marketing landscape.

FORBES: Time for Marketers to Get Real about the Brand

Thanks to all this added content and the fact that he has the budget, Jackson changed his planned two-part film into a trilogy.

FORBES: Connect