Although the term roundabout is sometimes used for a traffic circle even in the United States, U.S. traffic engineers now make the distinction that in a roundabout entering traffic must always yield to traffic already in the circle, whereas in a traffic circle entering traffic is controlled by Stop signs, or is not formally controlled.
You needed local knowledge to know what the hell to do in those circles - the Hamilton circle (removed a long long time ago for the Hamilton Mall) and the more recently removed Cardiff circle near the Shore Mall.
I can't believe large companies would even have to bother with a cold calling strategy. Once you've been in tech a few years (at least this is my experience), hiring of good people mostly happens through word-of-mouth.
I've only gotten cold calls from the most rinky-dink companies.
Companies like Apple, Google, etc. probably already have a good bit of cross-pollination. I just can't see them saying "OK, rev up the phone banks".
Top Ten Things Overheard At The ANSI C Draft Committee Meetings: (5) All right, who's the wiseguy who stuck this trigraph stuff in here?