Microsoft using GitHub to promote their products
It is not the first time that I click on GitHub's Trending page to check for interesting repos and... Azure appears there as the first result with just 2 new stars on that day!
And as if this would not be sufficient, a related repo appears bellow also with just 2 new stars:
When we want to see the trading repositories we don't want ads, but this is a type of ad what we are getting there. And annoying as any unexpected one, hidden as an organic result.