It seems like RIM hasn’t learned its lessons. The dreaded trackball issue seems to be resurrecting with each passing product. In this case, it’s the Blackberry Tour. Users have been returning the Tour at a high rate, at 50%, due to the trackball being stuck. Users must repeatedly move the trackball cursor to navigate the menu. The problem is similar to the old mouse with trackball and rollers. The trackball collects dirt and deposits them on the rollers. When the rollers can no longer move, then the menu becomes inoperable. This can be easily fixed by opening the trackball assembly and cleaning it with a cotton swab. After a few of these, then you begin to see for yourself the frustrations of the customers. It’s no coincidence that there is a high rate of return for this product. Read article.