This is one of the reasons why some people prefer to remain anonymous or lay low on social media because the things you post or write casually on your Facebook, Twitter, Instagram, et al, could be used against you.
A law student has been hacked with machetes and then shot after he was tracked down for expressing his non-religious views on Facebook. Nazimuddin Samad was attacked by motorbike thugs at a traffic junction in Bangladesh's capital, Dhaka.
According to 'The Dhaka Tribune', the killers shouted Allahu Akbar (God is greatest) as they attacked their victim on a busy road near Dhaka’s Jagannath University, where their victim was studying law. The 28-year-old was said to have been part of the Ganajagran Manch - a secular campaigning group.
His death is the latest in a series of attacks on secular bloggers by religious extremists in Bangladesh during the past year.
Mr Samad, a student of Jagannath University, condemned religious extremism on his Facebook page. He wrote "I have no religion" on his FB profile under religious views.
Four well-known secular bloggers were killed with machetes in Bangladesh last year - one inside his own home. They all featured on a list of targeted atheist bloggers drawn up by extremist Islamic groups.