Just as after the attacks in Paris last November, social network

According to many accounts, the Facebook app on their smartphone invited them to send an automatic message to all their contacts. Even desktop versions of the social network offered to send the same message if the browser geolocation had been earlier enabled.

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The vast majority of tweets celebrating the use of this Safety Check are mingled with positive remarks and support in the form of hashtags #PrayForOrlando, echoing the previous #PrayForParis.

The Safety Check was used for the first time during terrorist attacks in Paris in November 2015 but had been experimented with during the earthquake in Nepal on 25 April 2015.

Since, the functionality has been used in many other emergencies, such as the floods in Southeast Asia in December 2015 and also during the attack in Brussels on March 22, 2016.