Consumer ebook sales exploded after Amazon launched its Kindle in the UK in 2010, but growth rapidly slowed, and disruption was limited by genre, creating parallel ebook and physical book markets

Compared to the relentless downward spiral of music purchasing, these trends have been heartening for publishers and booksellers, but there are signs that slower, more complicated and insidious disruption is emerging

Decades of steady, albeit slow, growth in total book sales have been reversed, as consumers spend more time on a variety of mobile-delivered services, including some in classic content categories for books

The latest numbers for Q1 2015 show strong device and internet user growth, with more of the population online than ever before, including more than 90% of under-55s. Growth amongst older groups, however, has slowed to a crawl

Participation in online activities is up across the board, but digital media data shows spend on ebooks and digital music struggling, with the latter being heavily impacted by the rise of unlimited streaming models such as Spotify

The story of mobile's surge continues, with almost a half of e-commerce transactions and a third of search and display ad spend now going to mobile. Most of these mobile devices are Android, but iPhone seems to have gained long term share with its larger phones. Google services, however, have cross-platform reach

2013 has seen yet another year of strong growth in consumer adoption of mobile devices and screens adding to the challenges facing traditional media. Press and radio have long been affected, but television is now starting to feel the heat

BT and Sky’s contest for premium pay-TV sports rights has intensified. August saw the launch of BT Sport, while BT’s acquisition of the European football rights in November was a clear statement of intent, spending half of Channel 4’s total programming budget on approx. 200 hours of content

The UK has seen buoyant advertising growth of around 4% in 2013, with similar growth expected in 2014, in the context of the strongest economic recovery in Europe