- Apple partially halts Beeper's iMessage app again, suggesting a agelong combat ahead Ars Technica
- Beeper says Apple is blocking immoderate iMessages, but there's a fix The Verge
- The combat to bring iMessage to Android users keeps getting messier The Washington Post
- Without Interoperability, Apple Customers Will Never Be Secure EFF
- Senator Warren calls retired Apple for shutting down Beeper’s ‘iMessage to Android’ solution TechCrunch