CNN Profiles - Richard Roth - CNN

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In 1992, AT&T's VideoPhone 2500 brought grainy video calling to the home at a slow 10 frames per second. It cost $1,500 and was eventually discontinued due to a lack of sales.

Long before Zoom, this is what video calling looked like

An empty classroom is pictured at the Saint-Exupery school in the Paris' suburb of La Courneuve on May 14, 2020 as primary schools in France re-open this week after an almost two-month closure due to the lockdown imposed since March 17 to curb the spread of the COVID-19 disease caused by the novel coronavirus.

Coronavirus set global school enrollment back four decades, says UN agency

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US splits with allies again as it looks to extend Iran weapons ban