The innovators: levitating lightbulbs take design back to the future

Flyte lightbulb levitates and rotates in the air using a series of magnets and which is powered without touching

Dos and don’ts: our guide to dmexco 2015

Dmexco veterans offer their tips on what to do and what to avoid at this year’s digital marketing conference

Apple’s iPhone event had record number of women on stage, but why did it Photoshop one?

Choosing to ‘fix’ a model’s smile undermined Apple’s progress on gender representation and showed that the tech industry still has a very long way to go

Samsung ‘to cut 10% of back office jobs and halve expenditure’

South Korean company anticipates tough year for smartphone market, say reports from Seoul

Texas teenager creates $20 water purifier to tackle toxic e-waste pollution

18-year-old Perry Alagappan recognised at World Water Week 2015 for his renewable heavy metal filter made from graphene that he’s keeping open source

Silicon Valley billionaires-in-waiting may face reckoning amid stock panic

Venture capitalists and market analysts warn that Chinese ripple effect could force tech startup ‘unicorns’ to settle for buyouts instead of going public

The dangerous spike in unicorns (no, not that kind)

Tech companies valued at £1bn or more, once as rare as unicorns, are increasingly common – raising fears of another dotcom bubble

Uber strikes blow against US taxi firms in racketeering lawsuit dismissal

The lawsuit was brought against the ride-sharing company in Connecticut by 15 taxi and limousine firms

Apple’s senior executives are 70% white men, diversity filing reveals

The tech company’s 2014 EEO report, which it finally released after repeated refusal, showed only 11 people of color were in upper management positions

Google is scattering Alphabet blocks to mute its own success

A bit like the phenomenon of stealth Starbucks branches, Google has become so ubiquitous it is choosing to fade into the background

Sundar Pichai: Meet the new CEO of a ‘slimmed-down’ Google

The senior vice-president of product will lead a ‘slimmed down’ Google as Page will head Alphabet, the new parent company announced on Monday

How does it feel to be a ‘grey entrepreneur’?

Tech startups are usually seen as a young person’s game, so founding a website in my late 50s has been something of an adventure…

Black politicians to push Silicon Valley giants on ‘appalling’ lack of diversity

Congressional Black Caucus to meet executives of Google, Apple and other tech companies with poor track records of hiring African American employees

Ebay beats forecasts before PayPal spin-off

Revenues rise by 7% in last quarter as online auction site prepares to separate from payments processer

Startups have figured out how to remove carbon from the air. Will anyone pay them to do it?

Three startups, Carbon Engineering, Global Thermostat and Climeworks, are making strides with technology that can directly remove carbon-dioxide from the air. What they need now is a viable business model