US entertainment groups have not been disrupted by the rise of digital media. Long running franchises drive growth across diverse sectors, starting with pay-TV and SVOD. US television advertising is rising in line with GDP, while the online video ad market is flourishing, with much appearing alongside the majors' scripted content

Studios' cable channels are their most profitable assets, but M&As with distribution platforms, including Comcast's aquisition of NBC Universal, have usually failed to deliver synergies

The Donald Trump presidency could leverage hostile public opinion towards mergers to undermine the AT&T bid for Time Warner; but it could also stimulate M&As if it granted tech companies a tax break to repatriate profits. A more protectionist administration could also bring about a less benevolent attitude towards majors' foreign operations

Video content is crudely defined. If something is not very short (<10 minutes) then it tends to be considered long-form. But there is a middle ground - one which displays a distinctive combination of characteristics in terms of production, broadcasting and viewing

Mid-form video (between 10 and 20 minutes) has the ability to carry the narrative arcs normally associated with long-form programming, whilst also retaining the snackable and shareable attributes of short-form

The footprint of mid-form is, so far, small. However, it is growing, as its unique qualities, such as excellent ad completion, become more readily recognised