farecasting noun predicting the optimum date to buy a plane ticket, especially on a website or using an app

A handful of new and updated websites and apps are trying to perfect the art of what’s known as farecasting – predicting the best date to buy a ticket.

[www.nytimes.com 14 September 2015]

unsend noun the action of deleting an email after it has been sent

Gmail had heard our prayers and officially launched an unsend function.

[The Guardian (UK broadsheet) 18 July 2015]

digital diet noun a deliberate reduction in the amount of time spent on the Internet

With our Internet habit being blamed for a spike in our stress levels, some techies are putting themselves on a ‘digital diet’.

[Grazia (UK celebrity magazine) 17 August 2015]

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