https://edition.cnn.com/travel/article/ryanair-money-saving-schemes/index.html

https://www.reuters.com/article/us-netflix-prices/netflix-raises-prices-for-u-s-subscribers-idUSKCN1P91Q8

https://www.bloomberg.com/news/articles/2018-03-06/uber-spent-10-7-billion-in-nine-years-does-it-have-enough-to-show-for-it

https://www.bloomberg.com/news/articles/2019-02-15/uber-results-show-revenue-growth-slows-amid-persistent-losses