No 23andMe customer data has been shared with GSK. We have shared results of 23andMe research, not individual-level customer data.
In the past we have carried out studies with partners where we shared individual level data and obtained consent to do so. We recruited people with certain diseases to participate in those studies. The data was always de-identified and for research use only.
You linked to the blog of some random marketing firm in Chicago. This is not a legitimate source for news. Actual details of the deal between GSK and 23andme are here: