Are The Big Four tech giants welcome in your town?

The tech-lash is coming. Facebook founder Mark Zuckerberg has been called for questioning by governments around the world over the Cambridge Analytica data breach scandal; Amazon is in the midst of a debate about taxes and inequality in Seattle; and Google has been criticised by senior politicians for its tax avoidance policies.

The exponential growth of the “Big Four” tech companies – Google, Amazon, Apple and Facebook – has been a boon for parts of the industry. They take huge offices in major global cities, develop data centres, occupy enormous warehouses and buy retailers.