Facebook’s paywalled and, potentially answer-all tool for companies is about to launch. It promises to replace Skype or MS Lync (thank goodness) with live video features, Yammer with a work-appropriate news feed, and will compete with Vancouver-based internal communication tool Slack. The word is that it’ll be a per-user pricing structure, though it may have a basic level of access for free like Slack, Yammer and Skype. While many will be excited to get going with  ...