Microtransactions are certainly nothing new to video games, and they're certainly nothing new to Blizzard. That's the entire model for Hearthstone and Heroes of the Storm, after all. But it's not something that's particularly prolific in StarCraft just yet.
So Blizzard is testing the waters, courtesy of a survey. And as part of that survey they've been asking people if they'd pay for new skins or voice packs. Featuring Snoop Dogg or Morgan Freeman.