This has to be one of the most invaluable filtering techniques I've learned to employ in the past year or so in regard to sites like HN.

It seems obvious in hindsight, but I'd never realised how many article headlines ending with a question mark naturally contained so much fluff.

I now instinctively answer the question with a 'no' and move on without reading any further.

Q: "Exactly how screwed is PayPal?"

A: "No"