What is RCS and how is it different from SMS and iMessage?

In a dramatic reversal, Apple announced this week it would offer RCS support starting in 2024. The decision effectively ends one of the most protracted and confusing conflicts between iOS and Android. If you're not sure what any of that means, don't worry: We're about to lay out what could change with Apple's adoption of the GSMA's next-generation messaging protocol. What is SMS? Short Message Service (SMS) is one of the most ubiquitous messaging protocols on the planet. It dates back to the ear...