Memorials are fewer and simpler than in the past . On the 11th anniversary of a tragedy , some Americans arose not remembering . But 9/11 topics trend on Twitter and Facebook , filled with photos and remembrances . Social media gives people a way to express their emotions . Comment:
Memorials are fewer and simpler than in the past . But 9/11 topics trend on Twitter and Facebook , filled with photos and remembrances . Social media gives people a way to express their emotions . Comment: