Twitter and YouTube wouldn't delete an extremist cleric's posts (update: gone)
They only sometimes gave policy as a reason, even after his arrest.
Judge tosses lawsuit filed against Twitter over ISIS activity
Twitter isn't liable for whatever those accounts publish, the judge said.
Twitter was quick to pull extremist tweets following Nice attack
The social network is taking a more proactive approach to fighting pro-terrorist posts.
The Pentagon is developing cyber warfare tools to fight ISIS
Joint Task Force Ares' offensive operations will initially be limited to Iraq and Syria.
ISIS' Twitter traffic reportedly dropped 45 percent in 2 years
The US credits the plunge to efforts to fight online extremism.
Iraqis use off-the-shelf drones to battle ISIS
When you don't have a military's budget, everyday drones can handle recon in a pinch.
New algorithm aims to predict ISIS attacks
The model looks for sudden growth in pro-ISIS social media groups.
ISIS worries that fake Android apps are spying on its ranks
Extremists may be inadvertently revealing their plans.
ISIS releases learning app to teach kids about tanks and rockets
And it's available on Android through their Telegram channel.