diff --git a/Mac-OS-X-driver.md b/Mac-OS-X-driver.md
index dfb194f..a8e5998 100644
--- a/Mac-OS-X-driver.md
+++ b/Mac-OS-X-driver.md
@@ -8,6 +8,8 @@ The MacOSX driver is `/System/Library/Extensions/AppleCameraInterface.kext`. Met
     IOProbeScore: 3096
     IOProviderClass: IOPCIDevice
 
+Looking at the strings in the kext bundle, there are references to DDR memory, loading of firmware, and IPC queue, I2C and [ACPI](https://en.wikipedia.org/wiki/Advanced_Configuration_and_Power_Interface) and [ASPM](https://en.wikipedia.org/wiki/Active_State_Power_Management). There may be different raw, metadata and output buffers. It may be able to do face-detection.
+
 ## Working with kexts
 * [Kernel Extensions Programming Topics](https://developer.apple.com/library/mac/documentation/Darwin/Conceptual/KEXTConcept/) (Apple)
 * [Resolving kernel symbols](http://ho.ax/posts/2012/02/resolving-kernel-symbols/)