Apple has fulfilled its promise to roll out innovative new products this year, launching Apple Watch into the nascent wearables market and Apple Pay, a new mobile payments service, as well as moving the iPhone into ‘phablet’ territory.

The larger-screened 6 and 6 Plus should revive growth in iPhone sales and ASP, as well as providing another variable to compete in the mid-tier handset segment; Apple Pay further enhances Apple’s lock on its customer base.

Apple Watch’s likely impact is harder to discern; to date sales of smartwatches have been lacklustre but although Apple’s offering is the most commercially viable yet, it still feels like a solution in need of a problem.

Amazon has entered the increasingly crowded digital entertainment TV device marketplace, one which could be strategically more important for the ecommerce giant than tech rivals Apple and Google

The frictionless integration of entertainment and ecommerce on TV represents a bigger consumer milestone than competitor services are offering, and Amazon’s brand has huge appeal, though at present it has less market traction for streaming than it does for other products

Content owners and broadcasters remain the real TV gatekeepers, with integration of TV and digital a service-level pipe dream for now, and so Amazon will likely have to accept being one of many, rather than the runaway winner as it is in books

Explosive growth in take-up of smartphones and tablets means that the effective size of the internet will increase by several multiples within the next few years. This transformation in scale comes with a major change in character and operating dynamics, creating new opportunities and revenue streams.

Twitter is unique amongst social apps: it gives new users a blank canvas in which they can (and must) create their own social network reflecting their own interests, hence building an ‘Interest Graph’, but onboarding new users remains a challenge.

Revenue at Twitter is now on a $600 million annual run-rate, scaling rapidly since the introduction of ‘native ads’, and seems set for further growth: the key question is whether it can achieve breakout user growth and mass market scale.