Tech giant Apply has said that all of its smartphones and tablets in the US will soon scan them for images of child abuse and report those found. The move has already alarmed some, who are concerned devices could now be spied on. We speak to Matthew Green, a cryptographer and professor at Johns Hopkins University in the United States who revealed details about Apple's plans before they were officially announced. President Biden has said that by 2030, half of the cars produced in the US will be zero emission vehicles. But is this realistic and does it go far enough? We ask Becca Ellison, deputy policy director at the environmental campaign group Evergreen Action. Vaccine maker Moderna has reported net income of $2.8bn for the three months to June 30th. Rasmus Bech Hansen is chief executive of the life sciences data analytics company Airfinity, and tells us how the company's coronavirus vaccine has boosted its prospects. Plus, in the wake of the saga of office sharing company WeWork, the BBC's Ed Butler explores whether technology startup founders have become the latest wave of cult leaders. And after the news that Lionel Messi will leave Barcelona, we ask his official biographer Guillem Balague, why money is the reason the world's greatest footballer is leaving his club of 20 years.

All this and more discussed with our two guests on opposite sides of the world: Tony Nash, chief economist at Complete Intelligence in Texas and Zyma Islam, journalist for the Daily Star in Dhaka, Bangladesh.

(Picture: Someone using a smartphone in bed. Credit: Getty Images.)