US border officers are, at times, asking visitors for their social media account information, and there is discussion they may ask for account passwords to review private messages of individuals from designated countries.
This will never work for obvious reasons – create two accounts, one that is sanitized and one that is for naughty activities.
Beyond that simple work around, there are other methods of spoofing such requirements. Besides, what do you do about people who choose not to have social media accounts? Are we going to require that everyone must have an online presence?
Source: Engineering around social media border searches