Google boss claims he does not know his salary in Commons grilling

Public accounts committee chair tells internet company’s European boss Matt Brittin people are ‘very angry’ over tax deal

Liverpool tech startups out to prove there’s life outside of Shoreditch

It may still be in its infancy, but startups say city has the components for a digital sector to rival London’s Tech City – though finance can be tricky

Scientists and Silicon Valley want to prove psychoactive drugs are healthy

UK scientist is advocating for research to show psychoactive drug use is a matter of sound public health policy – and Silicon Valley startups see an opportunity

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

Tech company encryption push is ‘good for the feds’ says Harvard study

The rise of mobile computing and more vulnerable internet-connected devices could actually make surveillance easier for national security officials, report says

Twitter’s US users fall by a third in two years – report

Social network has suffered from stagnating users, according to figures it publically reveals, but third-party data suggests that the real story is worse still

London’s black-cab drivers: ‘Four cabbies pay more tax than Uber’

Licensed Taxi Drivers Association weighs up court action claiming app’s licence should be reviewed over its corporation tax payments

A high-powered network: how Google became embedded in British politics

Tech giant’s ‘sweetheart’ deal with the UK taxman raised eyebrows on Thursday but the company’s ties with leading British politicians goes back a decade

Apple iPhone sales projected to be stagnant for Q1 2016

Analysts predict slowest-ever iPhone sales growth of just 1% in the first three months of its financial year, down from 46% same quarter in 2015

Jack Dorsey confirms four more Twitter executives to leave company

Jack Dorsey dismisses ‘inaccurate press rumours’ about sudden departure of four senior staff, promoting Adam Bain and Adam Messinger to fill the gaps

Silicon Valley braces itself for a fall: ‘There’ll be a lot of blood’

Wannabe entrepreneurs are still piling in to San Francisco, but there’s a sense that time is running out on the exuberant startup world

Save the Children: hackathons could help fight child inequality crisis

Charity boss calls for much-needed help from tech firms as it faces the biggest child poverty and refugee crisis in decades

Amazon to create more than 2,500 permanent jobs across UK this year

Online retailer says it will hire new staff in London, Cambridge and Edinburgh and at warehouses across the country

Grindr sells 60% stake to Chinese gaming company

First influx of outside capital values dating app for gay and bisexual men at $155m and will pay for new features and services

A proxy war: Apple ad-blocking software scares publishers but rival Google is target

Apps that prevent ads making it to the screens of mobile phones are topping the charts. How will media firms react?