42. The non-transitory computer-readable medium of claim 34 wherein the weighting of the prior activities of the task performer based on the recency of the prior activities includes considering one or more first prior activities that occurred during a specified prior period of time and not considering one or more second prior activities that did not occur during the specified prior period of time.
34. A non-transitory computer-readable medium whose stored contents configure a computing device to facilitate performance by task performers of tasks from task requesters, by performing a method comprising: obtaining information about a task performer; receiving indications of one or more available tasks supplied by one or more task requesters; automatically identifying at least one of the available tasks as being preferred for the task performer based at least in part on an analysis of the obtained information about the task performer and on information about the identified tasks, the obtained information about the task performer including information about at least some prior activities of the task performer, the automatic identifying being performed by the configured computing device and being further based at least in part on weighting the prior activities of the task performer based on recency of the prior activities, such that a first prior activity of the task performer has a greater impact on the identifying than does a second prior activity of the task performer if the first prior activity occurred more recently than the second prior activity; and providing one or more indications to the task performer of at least one of the identified tasks.