We&#x27;ve turned chat interoperability into a business over at sameroom.io.<p>What other option is there, really? The other option is no interoperability.<p>A very relevant post: <a href="https:&#x2F;&#x2F;sameroom.io&#x2F;blog&#x2F;announcing-support-for-google-hangouts&#x2F;" rel="nofollow">https:&#x2F;&#x2F;sameroom.io&#x2F;blog&#x2F;announcing-support-for-google-hango...</a>