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“A decade ago, there was a big push for open standards like XMPP and SIP, but the standards bodies failed to keep up with the rapid pace of innovation in team collaboration. “The collaboration industry has come a long way from the ‘multi-headed clients’ like Trillian that connected AIM, ICQ, MSN and Yahoo! Messenger in the early 2000s,” explained Hadfield. Different platforms also place different limits on their users and their APIs are always in flux, too. Hadfield, who co-founded the company with CTO James Cundle, tells me that the team spent the last few years on addressing technical challenges like managing the basic differences between messaging clients (like Slack’s support for custom emoji) and how they handle channels, for example. “When a Teams user wants to send a message to a Slack user, it will go over the Wide Area Network for workplace communications. “Microsoft Teams is akin to a Local Area Network, because Microsoft will always deliver messages between Microsoft users,” said Hadfield. He also noted that Microsoft and Meta recently partnered on an integration between Teams and Facebook Workplace, while Slack and Teams have also long partnered around VoIP integrations. As Mio CEO and co-founder Tom Hadfield told me, you may think that the different players in this field would want to keep their walled gardens closed off from competitors, but the fact that Zoom and Cisco are investing in Mio shows that interoperability is very much on their minds.