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GroupMe is a mobile group messaging app owned by Microsoft.It was launched in May 2010 by the private company GroupMe. In August 2011, GroupMe delivered over 100 million messages each month and by June 2012, that number jumped to 550 million.
COVID-19 apps include mobile-software applications for digital contact-tracing - i.e. the process of identifying persons ("contacts") who may have been in contact with an infected individual - deployed during the COVID-19 pandemic.