We take for granted that long distance companies must record who called whom, and when, in order to tally the bill. The 900 redialer doesn't obviate this; it simply adds an expensive level of indirection. Could not the need for such records be eliminated by real-time payment of digital postage?
Better yet, use an Internet based phone system. The phone companies draconian policies of billing for distance, time, and social standing are antiquated With the Internets method of billing for maximum usable bandwidth or connect time, it costs the same to send e-mail to another continent or just accross town costs the same. Distance based billing isolates people by preventing them from communicating with anyone but their neighbors. Internet style billing serves to create a sense of global unity limited more by language and access to technologie instead of geographical or political boundaries. A side effect of simplified billing and connectionless systems is that no records are kept of who contacted whom. In fact, it would be difficult even to make such records w/o having a specific target. brad