This week’s headlines: Facebook Working on Listening Assistant, Twitter Users Decline in US with Daily Active Users Up, Six-Second Video Ads Coming to Facebook and Twitter Launching $99 Subscription.

The week’s news quick hits: Group M Considers Changes to Viewability Standards, YouTube Shuts Down On-Site Video Editing Tools, Nielsen to Measure Hulu and YouTube in Ratings, Facebook Acquires Content Recognition Company Source3, Google Reports Successful Q2 Earnings, Twitter Adds More Notifications to Notifications, Facebook Original Shows Coming Mid-August, Facebook Reports Q2 Earnings, LinkedIn Launches Website Demographics and Messenger Adds Five New CTA Buttons.