To those with Apple's in-ear earphones, Apple is offering a replacement program for those that experience intermittent/non responsive controls
Apple Headphones with Remote Replacement Program:
Apple Headphones with Remote Replacement Program:
I got the replacement from the Genius Bar this afternoon.Note: Apple In-Ear Headphones with Remote and Mic and Apple Earphones with Remote and Mic which exhibit the symptoms noted above are also covered under this program.