id author title date pages extension mime words sentence flesch summary cache txt crl-15498 Foley, Marianne Instant Messaging Reference in an Academic Library: A Case Study 2002-01-01 10 .pdf application/pdf 5433 263 58 Infrequently, the entire system was unavailable, which meant that IM reference service had to be canceled temporarily. Patrons who are embarrassed by the nature of their ques- tion or their lack of knowledge can remain anonymous during IM reference. cache/crl-15498.pdf txt/crl-15498.txt