He [Corbyn] enjoys the support of a mass grass-roots movement of the kind that almost no politician ever has but no professionalised apparatus – and … - Owen Jones

But above else, Jeremy Corbyn will have to strike a conciliatory tone: which will not be difficult, given that's his default approach, in any case. When he is attacked – whether by the media or by his own party – they will be identified as the aggressor. An emphasis on conciliation and unity within his own party – building on his recent "unity statement" – will make it politically harder for those within the PLP who wish to undermine him.

This is one of the most sensational political upsets of our time.

But if the Corbyn-led Labour party is to be successful, its supporters have to communicate. It is difficult, with relentless hostility raining down on your head, but that means adopting an inclusive, cheerful, positive approach: love-bombing opponents, even.