Even for finance pros who currently parse the raw filings, I can see how having an auto-generated human-readable summary that pulled out the key points would save enough time to be worth spending money on.
http://marketbrief.com/goog/10q/quarterly-report/2011/5/10/7...
http://sec.gov/Archives/edgar/data/1288776/00011931251113442...
They look pretty identical to me. Plus sec.gov has the June 30th report that MarketBrief simply doesn't have.
http://www.sec.gov/Archives/edgar/data/1288776/0001193125111...
Look: http://marketbrief.com/goog/financials
The last one is from May 10th.
And this is Google we're talking about, a major player. Imagine what kind of things they may have missing for smaller companies.
Even for finance pros who currently parse the raw filings, I can see how having an auto-generated human-readable summary that pulled out the key points would save enough time to be worth spending money on.