Some traces of these interlopers remain among, for example, the Iraqw of Tanzania, and it may be that the age-old systems of irrigation found throughout this region owe their origins to this period as well.
Small-scale artisanal fishermen in the tropics, who operate from canoes and small boats, are less likely to over-fish, but all too often the sheer pressure of numbers overwhelms the age-old systems for managing stocks.
The chief justice, one of the Taliban's top mullahs, then praised the Islamic legal system, Shariah, as an age-old system of justice without flaw.
As a former opera singer and choirmaster, he knew the age-old system of associating syllables with notes -- Do, re, mi, fa, sol, la, and ti.
"Craigslist had done more to delegitimize the age-old system of pimps and escorts than a platoon of police officers could," Mr. Kolker writes.
By the mid-1980's, however, this age-old system was being dismantled by the national government in Khartoum, which sought to exert greater control over Sudan's near-autonomous tribes.
In other words, the age-old system of briefings – last reviewed by Alastair Campbell in 2000, when they were put "on the record" – needs to be opened up further, giving access to different types of media.
It soon became apparent that no easy road to medical knowledge and practice was to be found along these channels and that the best method was the age-old system of straightforward clinical observation initiated by Hippocrates.
It works like this partly because it works like this -- It's an age-old system, and it's not going to change," one executive told me -- but also because it's the best technique to coerce the studios to develop good shows and not just mindless fodder.
Actors are not panicking yet, several studio executives said, because agents have so far managed to keep their asking prices up by refusing to alter the age-old system of keeping all the actors uncommitted until the main pilot casting period in February.
