"When you say: 'Everybody is Charlie,'" Thoret said, referring to the "Je Suis Charlie" slogan that consumed social media and became a subject of some debate among those who found its style uncomfortable, "We have two waves of reactions".
This roiled another wave of reaction: how rare could an easily replaceable object be?
His death prompted a wave of reaction on Twitter and elsewhere in the media.
But, if Gershwin was cheated of his vindication, he was also spared the fury of the next wave of reaction.
Going back to 2001, they were the first Europeans to become involved in a wave of reaction, sometimes called a citizens' revolt, against state multiculturalism.
The book's observations were reported this week in The Guardian, and a first wave of reaction on Twitter showed how fascinated people are with language.
But the punishment insulated Margarite from the wave of reaction that surged online, in local papers and television reports, and in texted comments by young teenagers throughout town.
Union activists attempted to organize nationally, but before an all-Russia trade-union congress could take place, the union movement succumbed to a wave of reaction set off by the dissolution of the second state Duma (parliament) in June 1907.
The move by Macy's was just the latest in a wave of reaction sparked by Mr Trump's comments, delivered when he formally announced his intention to run for the White House.
The resignation of Mr Varadarajan last month has triggered a wave of reaction through the world of India's media; just two-and-half years earlier, the respected 48-year-old had been made the first external, "professional" editor in the newspaper's 135-year-old history.
