New service from Facebook, for your name days. In Greece especially where name-days are highly honoured, the new service is likely to find many supporters.
In order to work, you must state when allowing Facebook to remind you of your friends.
Of course, as you can see, that's not all. The popular one by clicking here social network is constantly looking for new ways to get as much data as possible from its members. This data is used to display appropriate advertisements to each user.
The image below shows the new one feature.