A good example of how much shifting could happen comes from the wikipedia article List of Biblical names. As its name implies, it is merely a long alphabetical list of characters who appeal in the bible.
Consider this section of its edit-history from February 2005. (Wikipedia logs are read from the bottom up.)
- 18:01, 14 February 2005 PFHLai (Talk | contribs) (remove {{Vprotectedsmall}})
- 03:42, 14 February 2005 PFHLai (Talk | contribs) (+ {{Vprotectedsmall}})
- 03:41, 14 February 2005 PFHLai (Talk | contribs) m (Reverted edits by 66.185.84.200 to last version by PFHLai)
- 03:37, 14 February 2005 66.185.84.200 (Talk) (→K)
- 03:36, 14 February 2005 PFHLai (Talk | contribs) (restore a previous version after vandalism by an Anon. with multiple IPs)
- 03:33, 14 February 2005 66.185.84.197 (Talk) (→J)
- 03:26, 14 February 2005 66.185.84.198 (Talk) (→I)
- 03:24, 14 February 2005 66.185.84.206 (Talk) (→H)
- 03:21, 14 February 2005 66.185.84.205 (Talk) (→G)
- 03:18, 14 February 2005 66.185.84.199 (Talk) (→E)
- 03:13, 14 February 2005 66.185.84.198 (Talk) (→D)
- 03:09, 14 February 2005 66.185.84.206 (Talk) (→C)
- 03:06, 14 February 2005 66.185.84.196 (Talk) (→B)
- 03:03, 14 February 2005 Rje (Talk | contribs) m (rv to last edit by Ihcoyc, semi-blanking)
- 03:01, 14 February 2005 66.185.84.200 (Talk) (→A)
(It is clear that the user is the same -- he is engaging in what in wikipedia is called blanking-vandalism.)