At some point a couple years ago, Susan Hoy felt like she was being buried under a pile of texts, emails and chats. Every morning, she’d wake up at 4:30 a.m., open her eyes, grab her phone and — from ...

Slack, a cloud startup that’s landed some big name clients for its business communications product, has raised $120 million at an eye-popping $1.12 billion valuation. The San Francisco company’s ...

Slack is the fastest growing business on the planet. But while the office instant messaging business is banking on growing its user base by more than 6,000%, according to a panel at Web Summit, in a ...