A guy decides to post a blog article about cactuses because he likes the way they spontaneously transform into a flowering body at seemingly random times and he thinks they look cool and you only need to water them once every 2 weeks.
Someone thousands of miles away reads the post and buys a cactus for their window pane. Their cousin visits them and sees the cactus, they visit a website for advice on what cactuses are best for the home, on the website is an advert for a dating site. They sign up for the dating site and find a partner and eventually become committed to that person and have children. The children grow up and one of the children meets a guy that has invented a hover drive vehicle but he can't get it to work, the son of a cactus guy talks him into trying again, he gives it another go and the thing works and everyone can hover around at a very low cost. A chain reaction is created.
One guy writes about Cactuses
He inspires someone to buy a Cactus,
They inspire their cousin to visit a cactus advice site and discover a dating site.
The cousin finds a partner and they have children.
One of the children talks an inventor into trying again.
He invents a new type of hover vehicle.
If the Blogger changed his mind and didn't write about buying a cactus then all the children of the stranger's cousin wouldn't be born and the hover vehicle doesn't get invented.
