Newer technology such as Gnutella and Freenet allow Napster-like computer-to-computer file sharing without a central list manager.
The answer, surely, is having one central list to refer to on a day-to-day basis.
Facebook and Twitter focus on a central list of friends carved into groups or lists that are hard to manage.
One major American city, for example, has a central list of all informants used in gambling, alcohol and prostitution cases.
The house was "inscribed on the central list of immovable cultural monuments," said Jana Sancova, the head of the International Cooperation Department in Brno.
Another reason for the chaos is the coalition's failure to keep an accurate central list of detainees, with names in Arabic, to which searching families can refer.
I've used Mailchimp for my own projects, and signed up for several lists – but when I tried to find a central list of all the Mailchimp emails I'd been added to, they refused to provide it.
In a focus group, Parthasarathi, then an education technology consultant for a major provider of test-prep materials, heard a parent ask whether one central list detailed all Scholastic Aptitude Test (SAT) classes.
Under the current primary curriculum children are expected to be introduced to a range of writing, including fiction, poetry, myths and plays, but there is no central list specifying books or authors.
A central list of all side events submitted to the UN is available here, but bear in mind that if your event is within the security zone, you will need to arrange access passes.
And while extensive efforts were made to be as complete as possible, there is no central list of multiple murders, and the database does not include every attack of this type over the last 50 years.
