that's the point that the writer made - Spike can work with anyone (unlike other apps like Slack, Teams, Skype, etc.) Spike works with your regular email, like

that's the point that the writer made - Spike can work with anyone (unlike other apps like Slack, Teams, Skype, etc.) Spike works with your regular email, like Gsuite and turns your emails into a chat conversation. The other person doesn't know you're using Spike - they see a regular email. You can even create a channel and message with people not on Spike. That's pretty cool stuff IMO