PayPal has updated its list of User Agreements to include an unusual “non-discouragement clause for sellers” designed to prevent sellers from criticising the service.

It has announced a number of price hikes too, which are detailed further down the page.

“In representations to your customers or in public communications, you agree not to mischaracterize PayPal as a payment method,” reads the new non-discouragement clause, which only applies to US users.

A new Israeli Da-Vinci unmanned aerial vehicle manufactured by Elbit Systems is displayed during the 4th International conference on Home Land Security and Cyber in the Israeli coastal city of Tel Aviv

A man looks at an exhibit entitled 'Mimus' a giant industrial robot which has been reprogrammed to interact with humans during a photocall at the new Design Museum in South Kensington, London

The giant human-like robot bears a striking resemblance to the military robots starring in the movie 'Avatar' and is claimed as a world first by its creators from a South Korean robotic company

Uber has halted testing of driverless vehicles after a woman was killed by one of their cars in Tempe, Arizona. March 19 2018

India has claimed status as part of a "super league" of nations after shooting down a live satellite in a test of new missile technology

Apple has cancelled its AirPower wireless charging mat, which was slated as a way to charge numerous apple products at once

Samsung will cancel orders of its Galaxy Fold phone at the end of May if the phone is not then ready for sale. The $2000 folding phone has been found to break easily with review copies being recalled after backlash

Apple has announced the new iPod Touch, the first new iPod in four years. The device will have the option of adding more storage, up to 256GB

Microsoft announced Project Scarlett, the successor to the Xbox One, at E3 2019. The company said that the new console will be 4 times as powerful as the Xbox One and is slated for a release date of Christmas 2020

Google celebrates its 21st birthday on September 27. The The search engine was founded in September 1998 by two PhD students, Larry Page and Sergey Brin, in their dormitories at California’s Stanford University. Page and Brin chose the name google as it recalled the mathematic term 'googol', meaning 10 raised to the power of 100

Russia has launched a humanoid robot into space on a rocket bound for the International Space Station (ISS). The robot Fedor will spend 10 days aboard the ISS practising skills such as using tools to fix issues onboard. Russia's deputy prime minister Dmitry Rogozin has previously shared videos of Fedor handling and shooting guns at a firing range with deadly accuracy.

“At all of your points of sale (in whatever form), you agree not to try to dissuade or inhibit your customers from using PayPal; and, if you enable your customers to pay you with PayPal, you agree to treat PayPal’s payment mark at least at par with other payment methods offered.”