Vodafone has published an interim management statement for the most-recent quarter of its financial year, which ended on 30th June 2012.

It says group revenue was £10.77 billion for the quarter. That’s a 7.7% drop year-on-year, although when calculated ‘organically’ - compensating for the effect of mergers, acquisitions and exchange rates - this is equivalent to a 1% increase.

Google has announced financial results for the second quarter of its current fiscal year.

These are the first figures since the company acquired Motorola Mobility on 22nd May.

Microsoft has announced results for the final quarter of its financial year, which ended on 30th June 2012. Quarterly revenue was $18.06 billion, while revenue for the full year was $73.72 billion.

However, a decision to write off some of the value of online advertising business aQuantive, which was bought for $6.3 billion five years ago, resulted in a quarterly loss of $492 million.

eBay has published financial results for Q2 2012, revealing that mobile technology is playing a big part in its businesses.

It notes that the company’s mobile apps - launched at the end of 2008 - have been downloaded more than 90 million times worldwide, while the volume of mobile transactions is expected to double in 2012 compared with last year. 1.9 million items are now listed on eBay via mobile devices every week.

O2 UK has introduced a loyalty scheme to its prepay tariff, giving customers a deal that gets better depending on the amount of time they stay on it.

The Pay & Go prepay tariff has been transformed into Pay & Go Go Go. There are two versions; one costs £10 per month and the other costs £20 monthly.