Just bought a brand new in box Canon T3i for my daughter's birthday. She's been using it for about 3 weeks. Today she noticed that the "On/Off" button no longer "clicks" when you turn it on or off. Rather, it "glides" in both directions. Doesn't seem to be affecting anything as the camera still turns on and off but am wondering whether the fact that it no longer "clicks" when moved but instead "slides" should be any cause for concern. Thx.

