Micro-blogging social network Twitter has released their list of the best marketing campaigns used on its platform over the last year, with mobile rebrand Everything Everywhere taking top spot as the most successful example of Twitter advertising.

Search giant Google has not followed the example of fellow multinational Starbucks, who last week pledged to overpay on their corporation tax, instead offering a defiant rebuttal of the claims of their accusers, with chairman Eric Schmidt determined the UK Treasury would not receive any more tax from his company.

HTC has replaced Sony as the official mobile and tablet sponsor of the UEFA Champions League football competition with a three-year deal that begins in the New Year.

Negotiations between WPP's media buying division Group M and broadcaster Channel 4 have come to a standstill as Sir Martin Sorrell's advertising group seek an improvement on their two-year, £200m deal that expires before 2013.

Hiring increased in November at its fastest rate for over 18 months, according to a survey of 400 job agencies by the Recruitment and Employment Confederation and KPMG.

Online retailer eBay has reported that more than three million UK users logged on to the site on Sunday 2 December via mobile devices, doubling the number of mobile visitors on the same Sunday of 2011.

American coffee chain Starbucks, implicated in the recent corporation tax scandal, have bowed to public pressure and announced that they will pay £10m in tax over the next two years - the first of the U.S multi-nationals to make a public climbdown.

Cracks are appearing between social networks as they jostle for superiority, with photo-sharing app Instagram now ceasing to work cross-platform with micro-blogging service Twitter.

Digital Agency Manchester MEC has been awarded the entire media planning and buying account of used car purchaser Webuyanycar.com in a reported £5m contract.

American coffee giant Starbucks, implicated by MPs in a report on tax-evasion along with Google and Amazon, has announced they are to review their "approach" towards UK taxation.