60% To 80% Of Google's Products To Crash And Burn

That's actually what Google is saying itself ..

Marissa Mayer, vice-president for search products and user experience, estimates that up to 60% to 80% of Google's products may eventually crash and burn.

Google's problem isn't a string of failures, then, but rather the middling performance of many products that survive. In fact, it seems far from achieving even its intended 20% to 40% success ratio.

Read more in this interesting BusinessWeek article: So Much Fanfare, So Few Hits.