Warning: this post discusses the Holocaust and related topics
Holocaust Memorial Day last Friday reminded many people of the atrocities committed by the Nazis in the 1930s and 1940s. It's a lesson that we can't afford to forget.
We have to be willing to learn the lessons of those past days.
In order to do that, we have to force ourselves to remember how this happened - what led to the murder of so many.
Over the past few years, I've contributed to several projects to preserve historical documents digitally - including Holocaust records.
What's chilling about many of the records is their straightforward nature. This is the bureaucracy of genocide - a well-oiled machine of paperwork and permits.
It hits home, though, just what it is you're looking at, when you see the same date of death recorded for every member of the same family, or when you see record after record marked with the year 1942 as its final date.
Or when you look into the eyes of a Jewish girl your age in the picture on her identity papers - she's working as a secretary, she's dressed smartly, hair neatly curled.
Her smile is sweet but slightly mischievous.
Her smile is sweet but slightly mischievous.
And you know she probably died soon after.
And she's full of life in her picture. And you realise she deserves to be remembered - not just because of what happened to her, but because of her.
And she's full of life in her picture. And you realise she deserves to be remembered - not just because of what happened to her, but because of her.
And because no-one should have been able to take that life from her.
The Holocaust did not begin with murder. It began with the gradual erosion of human rights. It began with prejudice and hate.
It began with cataloguing people; registering them, restricting them, seeing them as somehow inferior. That can't happen again.
To educate yourself about the holocaust, there can be no better place to start than the United States Holocaust Memorial Museum website.
You can learn more about the project I talked about - the World Memory Project - here.