Gallery: Top 10 alternatives to Google Search

Basically a tailored form of crowd sourcing, Hunch trains its search algorithms to answer future queries using users' responses to a series of multiple choice questions - helping it learn that people who are vegetarian will never choose a steak restaurant when dining out, for instance.

Unfortunately more training seems to be in order, as its recommendation for the best bunch of flowers for a loved one was a bouquet of scarlet pimpernels, commonly regarded as a weed.

But it's early days - the site was launched yesterday - and the machine learning tech should ensure it improves given more time and more users' answers.

Screenshot: Hunch