http://www.techradar.com/news/walmart-spoils-google-home-mini-surprise-with-release-date-and-price

Walmart has a blue light special today on the Google Home Mini – the new, completely unannounced product from Google that the tech giant was supposed to unveil at its big press event tomorrow, October 4. 

Instead, a pre-order page for the tiny smart home speaker appeared on Walmart one day ahead of schedule and included both a release date for the speaker (Oct. 19) and price ($49.99).