18-year-old Itir Esen dethroned day after winning contest for post about failed coup.
"We are sorry this happened – it's not the experience we want someone to have."
"Nobody wins in this pissing contest," one Twitter user said.
"I care deeply about the democratic process and protecting its integrity," CEO Mark Zuckerberg said.
"Her command of language is similar to daddy's," one Twitter user wrote.
"Do you follow your husband on Twitter?" one person asked.
The ads come amid questions raised over whether Trump will still keep his promise to construct the controversial wall.
The Daily Beast has published evidence that Russian Facebook accounts organised real rallies in support of Donald Trump.
'That settles it. I'm moving to Canada,' one Twitter user wrote.
Equifax mistakenly tweeted out a link to the fake phishing site at least eight times.
Too much information: Rise in 'sharenting' sees 80% of kids under two have an online presence.
'It's as if you want a nuclear war,' one Twitter user wrote.
The prime minister believes terrorist propaganda is available too readily and stays online for too long.
75% of accounts that got suspended this year were taken down before posting their first tweet.
Christopher Ricardo Gonzales is captured after social media post gave the game away.
'Humiliating for our nation,' one Twitter user wrote.
Facebook has faced criticism over its moderation policies as it strives to strike a balance between freedom of speech and censorship.
'His stupidity will get us all killed,' one Twitter user wrote.
"By far the most awkward husband/wife encounter I've ever witnessed," one Twitter user wrote.
"Stop the KKK before you DARE to comment on this great country. Nasty horrid rich kid," Eve Myles tweeted.
'This is a truly sick burn,' one Twitter user wrote.
Facebook has come under scrutiny after disclosing it sold $100,000 worth of ads to fake accounts likely linked to Russia during the 2016 election.
'He looked directly at the eclipse. It was just a matter of time,' one Twitter user wrote.
Mother "disgusted" after app took down photo of 12-year-old son suffering from Goldenhar syndrome.
Typhoon jet's flight path creates eye-opening piece of artwork over Lincolnshire.
Evan Williams said the social media ecosystem thrives on short attention spans.
'Please do not call 9-1-1 and request this group respond to your 'incident'', the Gainesville Police Department said in response.
'Apple just became the many-faced god,' one Twitter user wrote.
Democratic Senator Mark Warner said he was "disappointed that Facebook didn't come forward with this information".
Memes, moaning, and animojis - here's how social media reacted to Apple's anniversary iPhone.