Amazon is launching a Prime Music, a streaming service available at no additional cost for Prime members, offering one million tracks to stream… compared to Spotify’s 20 million.

The Asia Pacific area (APAC) is producing 48% of all social buzz, ahead of Europe Middle East and Africa and the Americas, with Japan and UK leading the way for countries, according to new research.

Premium publishers are often reluctant to put their digital video inventory into ad exchange channels. But how can advertisers get the most from these more expensive but higher value placements? Dan Mosher, SVP, Business Operations, BrightRoll looks at the rise of Private Marketplaces in digital video.

The world’s premier footballing event in Brazil would be won by Mexico if the competition was based on social media audiences, according to programmatic advertising experts, RadiumOne UK.

Twitter’s new life as a public company could make the social network a major rival to Facebook for ad cash, but only if it can make the most of its live event–orientated audience data. Robin Langford, Editor at Netimperative, looks at the future of Twitter as it matures into a serious ad platform.

With the stormy IPO fading into history, ad-revenues exploding, and saturation-level use in developed markets, Facebook’s continued growth looks strong. Danny Meadows-Klue, head of Digital Strategy Consulting, explains why the big leaps in mobile are still to come, and why more brands will be adding Facebook to their media plans.

The average open rate for emails is 17.1% but the number of emails sent to extinct addresses has fallen dramatically as marketers and automation tools take more care to clean their lists, according to new research.

Blippar has reportedly bought Layar as the two firms look to join forces in the growing augmented reality market.

Mobile ad firm Amobee has bought Adconion and Kontera, for $235m and $150m respectively as it looks to expand into the wider digital ad space.

Thousands of black cab drivers brought disruption to central London in protest at the regulation of rival cab services such as Uber.