In a significant win for Alphabet (NASDAQ: GOOG) (NASDAQ: GOOGL) subsidiary Google, its Home Mini smart speaker ranked as the most popular smart speaker in the second quarter, according to new estimates from Strategy Analytics. The search giant's diminutive device barely beat out Amazon.com's (NASDAQ: AMZN) Echo Dot. Strategy Analytics had already previously released its estimates on how the smart speaker market fared in the second quarter, reporting that the market tripled to 11.7 million units, but today's assessment breaks down how well specific models sold during the quarter.Unsurprisingly, the most affordable models offered by Google and Amazon represented nearly 40% of all unit volumes.Google Home family.