内容摘要：His role was temporary and his exit is not unexpected, but it comes a day after Musk criticised the legislative centrepiece of Trump's agenda.

His role was temporary and his exit is not unexpected, but it comes a day after Musk criticised the legislative centrepiece of Trump's agenda.

Uber's Mr Macdonald meanwhile believes automated vehicles will transform the way many people travel in the near future."I've got young kids," he said.

"Do I think my daughters will necessarily get their drivers licences when they turn 16?" [the legal age in his home country, Canada]."No – I think the world is changing a lot."to follow the world's top tech stories and trends.

The hackers behind a cyber-attack on Marks & Spencer (M&S) managed to gain entry through a third party who had access to its systems, the BBC understands.The cyber-attack, which happened in April, has caused millions of pounds of lost sales for M&S and left it struggling to get services back to normal, with online orders paused for more than three weeks.

The supermarket declined to comment on the nature of the breach or these new details, saying "availability is now in a much more normal place with stores well stocked this weekend".

DragonForce - the name the criminals are using - previously told the BBC it was behind the attack and was alsoHis firm has explored a variety of long-term storage solutions, he said, and there are challenges. "Some of our existing mechanisms can be stored for a very long time, but you need technology to read them."

At Piql's headquarters in southern Norway, data files are encoded onto photosensitive film."Data is a sequence of bits and bytes," explains senior product developer, Alexey Mantsev, as film ran through a spool at his fingertips.

"We convert the sequence of the bits which come from our clients data into images. Every image [or frame] is about eight million pixels."Once these images are exposed and developed, the processed film appears grey, but viewed more closely, it's similar to a mass of tiny QR codes.