From the question of where Amazon is in the AI race to forecasts for the next quarter, here are four key takeaways from the Q2 earnings call.

Roku’s Platform segment, which includes ad sales, content sales and subscription-revenue sharing, grew sales 18% to $976 million. Gross profit in the segment was $498 million, an increase of 15%. Devices revenue decreased 6%, to $136 million, and breakeven on an operating basis.