How not to look good, by Microsoft
The Microsoft Solitaire Collection, which bundles the classic Klondike with other familiar variants like Freecell and Spider Solitaire... has ads.
You can make the ads go away, but, as you may have guessed, it'll cost you.
Why not just unbundle it from Windows? This makes Microsoft look cheap.
And separately, the ads on that PC Gamer page nearly brought Firefox to its knees.