Worldwide mobile advertising revenue is forecast to reach $3.3 billion this year, according to new research from Gartner. That's more than double the $1.6 billion generated in 2010.

Mobile ad revenue is expected to keep growing, reaching $20.6 billion by 2015, with search and maps expected to deliver the highest revenue.

Everything Everywhere, Telefonica UK and Vodafone UK have announced plans to create a standalone m-commerce joint venture. It'll combine the expertise from Orange, T-Mobile, O2 and Vodafone to speed the development and delivery of new mobile marketing and payment services.

Subject to regulatory clearance, the joint venture will provide a single point of contact for advertisers, marketing partners, retailers and banks. It's aiming to launch by the end of 2011.

Former Vodafone deputy CEO Sir Julian Horn-Smith has been elected to the board of Acer for the next three years.

He's one of two 'independent directors'; the other new board member is Dr F.C. Tseng, who co-founded Taiwan Semiconductor Manufacturing Company.

Pizza Express has introduced a new iPhone application that lets customers book a table and then pay their restaurant bill using PayPal or a credit/debit card. It's thought to be the first time a major retailer has used PayPal online payments in physical UK high street shops.

The company is also rolling out free WiFi via The Cloud in all of its 370 restaurants.

A new study from Pitney Bowes Business Insight shows that just 45% of consumers in the USA and the UK trust their mobile provider.

The most important factors for establishing good trust according to UK consumers were front-line employees and marketing communications, while US consumers put management policies first.