US congress advisors and aides’ delegation, headed by Mr. Joshua Salpeter, visited the Global Center for Combating Extremist Ideology “ETIDAL” on Tuesday, February 20th at its headquarters in the capital city of Saudi Arabia “Riyadh” in how the Center works in combating extremist ideology on social networks. The American delegation praised the presentation after showing advanced technologies that been used in monitoring and analysing the extremist content of the Center’s work and its strategic and media projects, and its objectives which seeks to achieve, which is formed in spreading the culture of tolerance and coexistence within societies and among the world’s nation.