OakDragon writes, "Mac OS market share actually slipped since last September. This reverses a trend in the winter and spring months that showed some slight growth. The actual percentage loss is small: 0.02%. But it may be significant since it follows a solid growth trend. It must be disappointing to Apple and Mac fans to see what is basically a flat line in desktop market share." Mac-oriented sites are pointing out the unreliability of the metrics from Net Applications, which are based on users of the HitsLink service.