ALSO NOTED: Sony Ericsson marketing head resigns; AT&T's customized ringtones; and much more...

> Motorola's facing its troubles in the public eye, but is Sony Ericsson having some troubles of its own? Sony Ericsson's global marketing chief Dee Dutta left the company after six years. Article

> AT&T debuts customized ringtone service. Article

> Nokia and music labels are deep into Comes With Music talks. Article

> Mobile video quality and speed are vexing users. Article

And Finally... The inventor of the McMuffin, Herb Peterson, died at the age of 89 today. Peterson also wrote McDonald's first national advertising slogan: "Where Quality Starts Fresh Every Day." Article