Interesting things to read

From DLib magazine: 
D-Lib Magazine
April 2005
Volume 11 Number 4
ISSN 1082-9873
Tony Hammond, Timo Hannay, Ben Lund, and Joanna Scott
Social Bookmarking Tools (I): A General Review.

And drawn to my attention by Bruce Madge:
Wade Roush on the Infinite Library in TechnologyReview.com