International payment service PayPal has launched a new service called PayPal Here, which allows small businesses to accept almost any form of payment. It includes a free app and free triangular card reader, turning any iPhone into a mobile payment device. An Android version is due in April.

The service has launched with a number of merchants in the United States, Canada, Australia and Hong Kong; general availability in those countries will follow next month.

Mobile research company On Device Research has released a report that looks at the number of web users who only access the internet through their mobile phones.

While around 25% of UK mobile internet users don’t ever use a PC for web access, that figure rises to 38% for Chinese mobile web users. In rural areas of China, the figure is even higher, with 45% of rural Chinese mobile web users admitting to being mobile only.

Apple says it’s asked the US-based Fair Labor Association to conduct audits of its final assembly suppliers, including Foxconn factories that produce iPhones and iPods in the Chinese regions of Shenzhen and Chengdu.

The first inspections took place yesterday morning.

Intel Corporation has announced two new mobile-related deals for its Intel Atom processor. There’ll be a new handset from Lenovo and what’s described as “a multi-year, multi-device strategic relationship” with Motorola Mobility.

The company says several smartphones based on the new Atom processor are expected to be released in 2012, with the Motorola deal also including the possibility of tablets.

Mobile industry author and analyst Tomi Ahonen has calculated the 25 biggest companies by mobile revenue. He notes that some companies often thought of as being ‘mobile’ actually rely on this for only a fraction of their total income.

In first place, based on mobile revenue alone, is China Mobile.