At a first glance, using Moé Marketing as a strategy for sales isn't a new thing. Microsoft's already jumped on the bandwagon with the anthropomorphism of Windows 7, creating Madobe Nanami. In order for Microsoft Silverlight to get an additional edge in market competition versus Adobe's Flash, the Taiwanese branch of Microsoft created a "Silverlight-tan", Aizawa Hikaru, along with her three elder sisters a few months back. Now, to take things a step further, we get this Galge of a thing for promotions.
Aizawa Hikaru fanart / Credits to 亜科尾 (pixiv142791)
Aizawa Rei fanart / Credits to that same artist 亜科尾 (pixiv142791)
!? That Faceless Protagonist...
To start things off, you need to upload a picture for the face of the protagonist. Click the large button in the lower left and get that picture up there. It could be anything, any anime character, troll face and so on. There's the rotation arrows and scaling to toy around with to get that picture in position. Afterward, hit the rightmost button and start the thing up. It's a simple visual novel with choices to get on any of the sister's routes, or get the good ol' Bad End.
Sadly it's all in Traditional Chinese so I don't have a single clue what this is about. Of course, the theme is Christmas so enjoy. It should be roughly 10 minutes long or so, but it's a nice thing. Go grab Silverlight while you're at it (since it's necessary for this), it's moé marketing anyways.