black sky event noun [C]
/ˌblæk.skaɪ.ɪˈvent/
a serious event, such as a cyberattack or a natural disaster, that causes a widespread power cut

The National Commission on Grid Resilience, … convened to assess our ability to prevent or respond to a so-called black sky event, concludes in a report released Thursday that the country has fallen behind. The danger of a nation gone dark is rising.
[washingtonpost.com, 15 August 2020]

the Internet of Behaviour noun [S]
UK /ˌɪn.tə.net.əv.bɪˈheɪ.vjəʳ/ US /ˌɪn.t̬ɚ.net.əv.bɪˈheɪ.vjɚ/
a way of using the internet to connect computing devices and use the data from them to track people’s activities

The research and advisory firm says that by 2023, 40 percent of people worldwide will likely be having their individual activities tracked digitally by this Internet of Behaviour. “The Internet of Behaviour captures the ‘digital dust’ of people’s lives from a variety of sources, and that information can be used by public or private entities to influence behaviour,” says Gartner.
[istart.com.au, 29 October 2020]

digital republic noun [C]
UK /ˌdɪdʒ.ɪ.tᵊl.rɪˈpʌb.lɪk/ US /ˌdɪdʒ.ə.t̬ᵊl.rɪˈpʌb.lɪk/
a country whose citizens can access almost all government services on the internet

In Estonia, the only public service not available online is marriage. Dubbed the “digital republic”, Estonia has the most advanced e-government in the world and nurtures a vibrant start-up community. Kersti Kaljulaid, President of Estonia, joins Azeem Azhar to explore how … this digital republic is navigating the Covid-19 pandemic.

[Harvard Business Review, 20 April 2020]

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