Belgian police have warned citizens not to use Facebook’s new Reactions, to protect their privacy.
In February, the site launched six new ways of reacting to a post, alongside the Like button. They were intended partly as a way of answering calls for a “Dislike” button – allowing people to share their feelings about posts without appearing to endorse what had been said.
But the Belgian police now says that the site is using them as a way of collecting information about people and deciding how best to advertise to them. As such, it has warned people that they should avoid using the buttons if they want to preserve their privacy… see more
source: Independent UK