This may necessitate a devaluation. One time bead would then be worth less speaking time to the possessor. Similarly, if the meeting was lengthened by last minute introduction of an evening session, a revaluation would be necessary. One time bead would then be worth more speaking time to the possessor. The role of the time banker, in addition to keeping the time accounts of each participant, is to present periodically a time report.
Participants are free to trade time units amongst each other.
It may be made more complex, or it may be considerably simplified, as with any economic or trading system. Indeed some people could simply ignore the bead procedure used by others, if they preferred to experience the meeting that way. This exploration assumes that there are lessons to be learnt for sustainable communities through sharper understanding of the nature of sustainable dialogue in meetings. A characteristic of meetings is the complaint that a small proportion of participants do most of the talking. Participants could be required to pay for each such intervention.