I recently got a free trial subscription to Sports Illustrated and the first few issues have come and gone without being read. Or probably more accurately, with only 1/4th of the articles being read. I don't know if I just have that much going on that I can't/don't make time to sit down and go through a magazine or if I just am used to reading news online and prefer that these days.
It's very similar to the reason that I stopped getting the Sunday paper. At first it was great and I sat down and read through most of the paper, the ads, etc. Slowly but surely it devovled to the point where the only thing I read were the comics and the ads. Clearly not a good use of my money, time, or the trees used to print the thing.
The only magazine I do succesfully make it all of the way through is Seattle magazine, not to be confused with the upstart competitior Seattle Metropolitan. The more I think about it, the more I think that with the paper and sports magazines I already am reading the news I want to read online (or through the tv/radio), and just don't bother reading the stuff I don't care about. The nice part of getting Time or Newsweek if you read the whole thing is that since you're being less selective you get a broader picture of what's going on. Since I don't have an alternate source of Seattle stuff that I regularly read, I'm not cherry-picking the content online, and so end up reading the whole thing. If that makes any sense.