A woman looks at a poster of a missing person at a memorial for victims of attacks in Brussels on Wednesday. Valentin Bianchi/AP hide caption toggle caption Valentin Bianchi/AP All Tech Considered The Work Productivity Tool Giving Hope To Belgium's Bereaved March 25, 2016 • As people continue searching for their loved ones, they are turning to social media for help. One site, Trello, lets friends and family keep an active list of those who remain unaccounted for.
