18. The computer program product of claim 14 wherein the instant messaging message is selected from a plurality of archived instant messaging messages previously communicated during a past instant messaging.
18. The computer program product of claim 14 wherein the instant messaging message is selected from a plurality of archived instant messaging messages previously communicated during a past instant messaging. 20. The computer program product of claim 18 further comprising functional descriptive material that causes the data processing system to perform additional actions that include gathering the keywords, the gathering comprising: retrieving a keywords data store corresponding to the select instant messaging group; identifying non-trivial words that are unique and included in the retrieved plurality of archived instant messaging messages; and storing the identified unique, non-trivial words in the retrieved keywords data store.