The discount reduces the cost of the kit from US$79 to US$59, plus shipping.
FTDA has added a further 60* 'populations' to the company's myOrigins mapping tool, which gathers detail of population clusters in your dna to determine an ethnic and geographic breakdown of where your ancestors came from.
The discount will expire at close of play on the big day itself: Wednesday 17 March. Click the image, right, to find out more and save yourself $20.
As far as I can see, it's only Family Finder (not the Y-dna or mt-DNA products attracting the discount at the present time.