This morning when I left RadioShack my first order of business was to stop at Best Buy to buy an InvisiShield. Well once I got it on my phone I found that my phone was very very unresponsive. I toyed with it a bit more and I posted about it. Well after visiting another RadioShack and having my Epic swapped out I went back to Best Buy and had yet another one installed. There was a guy there working for Sprint and I asked him had he had the same issue. He replied no and began using his Epic and was touch his button with no problem. Before stopping home I passed a Sprint store and asked on of the reps there had he seen this issue today and he said no. He took a closer look at my phone and peeled off the InvisiShield and damn near got pissed and he showed me what was the issue and reached in his pocket and gave me twenty dollars for the wasted twenty bucks on the Zagg. Long story short the Zagg hinders the responsiveness of the bottom row with the home key and the other three buttons.