They are not mapping your full genome each time. They are looking at specific ge...

timdorr on Dec 11, 2012 | parent | context | favorite | on: 23andMe raises $50M, cuts price to $99, sets goal ...

They are not mapping your full genome each time. They are looking at specific genes that are known to be linked to certain conditions or attributes. When they release a new test, they are sampling more genes and therefore can find more potential conditions or attributes about you.

khomenko on Dec 11, 2012 [–]

They ran an exome sequencing pilot recently, so sequencing is certainly coming.