Salesforce wants its $27.7 billion Slack acquisition to help it become a company's central work hub. But it'll need Slack-certified administrators and developers to help drive that implementation.

Slack is worth paying for … if you're a company. If you're using Slack for an online community, though, you should probably just stick with the free version. That's partly because most of Slack's paid ...

What is Slack? It's a cloud-based communication hub built for productivity with instant messaging, voice and video calls, and numerous app integrations. Here's everything to know about this all-in-one ...