A good way to catch foreigners is to use simple phrases in different languages. Something like "watch out!" in Swedish, for example. Or "lunch time!" in Danish. Native speakers would instinctively react in a visible way. A few of those callouts in a variety of tongues could spot them.
A good way to catch foreigners is to use simple phrases in different languages. Something like "watch out!" in Swedish, for example. Or "lunch time!" in Danish. Native speakers would instinctively react in a visible way. A few of those callouts in a variety of tongues could spot them.
Shibboleths are the oldest tool in info-sec and info-warfare.
Well that makes sense!