Advertisers are embracing the popularity of connected TV by allocating more money to streaming platforms.

As with video viewing, digital technology has taken a large role in teens’ shopping without altogether replacing older methods. We estimate that 61.8% of 14- to 17-year-olds in the US will be digital buyers next year. Though substantial, that’s lower than the penetration rates of all other age groups younger than 65.

This is the first installment in an ongoing series of monthly updates on the major social media platforms. The goal of each update is to provide a summary of key developments and what they mean for marketers.

YouTube, Facebook and Twitter, responding to marketers’ alarm over brand safety concerns, are ramping up efforts to block offensive content and prove they can be transparent about the process. Here’s how it’s working.