In Syria, nearly three times as many children as adult combatants have died from explosives. Aid group Syria Relief plans to expand distribution of handbook to Yemen, Afghanistan, and Iraq.

Tech giant purges 65 accounts, 161 pages, dozens of groups and four Instagram accounts. Company says accounts, many of which appeared to be linked to Tel Aviv consulting firm, focused on sub-Saharan African countries, but also targeted Southeast Asia.

"A licensed security guard can cost $50 an hour, and we need armed security now, unfortunately,” says developer. “Many have had it for years, but others are now being awakened to that reality."

Apologizing for controversial content short-circuits a primary purpose of free speech: robust, unhindered debate, which is essential to the nurturing of a free, pluralistic society.

Stuxnet was used in 2010 to attack uranium enrichment facility at Natanz and is believed to be a cyber weapon developed by the U.S. and Israel.