Microsoft, Facebook and others had already adopted PhotoDNA and were using it to stop images of child sexual abuse being shared by their users, said Mr Berg.
A campaign was launched track down the young boy - who lives in a Taliban-controlled region of Afghanistan - after the image was shared by thousands on social media.
Here's an image shared by SpaceX of the Falcon 9 first stage rocket approaching the barge (aka Just Read the Instructions) prior to the hard landing.
Fiercely protective of his image, a trait shared by his wife, he would occasionally unleash a quick temper when he felt slighted or misrepresented by the press.
At a time when we are awash in a constant deluge of digital images shared by friends and strangers through Facebook, Twitter, Instagram and Flickr, it can be hard to recall when we were less instantly and intimately connected.
But a fightback is now taking place on Twitter, with images being shared by Africans of #TheAfricaTheMediaNeverShowsYou including photos from the fashion industry to the film industry, from pristine beaches to vast university campuses, and from ancient mosques to ultra-modern hospitals.
And it became clear that there was a stark difference in the intimacy of Trump's photos compared with those from President Barack Obama's first 100 days, likely because of the wealth of images captured and shared by White House photographer Pete Souza.
The state news agency published gory photographs of human remains on the English-language version of its Web site, echoing gruesome images regularly shared by activists on YouTube and attributed to Syrian government attacks.
She cited the #WeAreN campaign, where people changed their avatars to a sign painted by ISIS members on Christians' houses marking them out, in solidarity with those people, as well as the movement to share an image of executed journalist James Foley when he was alive, to crowd out images shared by Islamic State supporters of his beheading.
But by upping the size of images and stories shared by users, Facebook could give the same to businesses without the ads being an eyesore.
Images shared by supporters of Isis in Libya showed a man in an orange jumpsuit being led out and murdered by masked executioners.
