Amazon’s potential entry into mobile telephony heats up the battle between telecoms and big tech
The American company seeks to repeat its success in music and video, while squabbles over network usage fees divide Europe
Netflix refuses to pay extra tax demanded by European internet service providers
Co-CEO Greg Peters says such payments would have an “adverse effect” on content creators
Zuckerberg defends plans for free net access at Barcelona conference
Facebook founder is main draw as Mobile World Congress gets underway in Catalan capital Google, Samsung and others unveil new products and services as four-day event begins