It's definitely a filtering strategy that scammers use to filter out all but the easiest to dupe (hence why Nigerian Prince scams are so obvious). http://www.b

It's definitely a filtering strategy that scammers use to filter out all but the easiest to dupe (hence why Nigerian Prince scams are so obvious). http://www.businessinsider.com/why-nigerian-scam-emails-are-obvious-2014-5 http://www.businessinsider.com/why-nigerian-scam-emails-are-... By making the opportunity purposefully vague, only those who are extremely open to the opportunity (or desperate) would send a PM. Not sure if it ever works, but the internet is a big place.