How to explain genomics to lay people

I had to give several lectures last week explaining lay people how genomic studies work. I finally decided to compare the human DNA with the bible text – not so much in the sense of Collins’ language of God but the sheer amount of information contained in a single cell.
Here is just one slide of this talk – it seems that the comparison worked quite well – in particular the fact that if you can read a text you will not necessarily understand it.