Are you a Slack purist? Plus, the most encouraging data visualization of the year so far: Datacenter Weekly

Welcome to Ad Age Datacenter Weekly, our data-obsessed newsletter for marketing and media professionals. Reading this online? Sign up to get it delivered to your inbox here.The latest on the labor market“The number of Americans seeking unemployment benefits fell sharply last week in a sign that layoffs may have eased, though applications for aid remain at a historically high level,” the AP’s Christopher Rugaber reports. “Jobless claims declined by 111,000 from the previou