The revisions let you track differences between multiple versions of a post.

user warning: Duplicate entry '50156387' for key 'PRIMARY' query: INSERT INTO teamipxaccesslog (title, path, url, hostname, uid, sid, timer, timestamp) values('Revisions for IPX Practice Sat 10/11/2007', 'node/179/revisions', '', '10.10.0.1', 0, 'gm2ld6h5c8n37uc8qlae109bd1', 198, 1781930324) in E:\Apache\htdocs\modules\statistics\statistics.module on line 63.

Revisions for IPX vs FKQ - 24 April 07