X projects: Alphabet's 'moonshot' ventures that could change the world

Google makes the money but Alphabet's other companies are wildly ambitious, from 'curing' ageing to robot butler design

Looking at the annual results of Alphabet, you could be forgiven for thinking that last year's reorganisation of the world's most valuable company was all for nothing.

Google, which is a subsidiary of Alphabet, dominated financially. The segment, which includes most of the best-known Google products such as its search engine, maps, Gmail, YouTube and Android, made up $74.5bn of the company's $75bn (52bn) annual revenue.