Robert_Charlton - 8:23 am on Dec 12, 2012 (gmt 0)

This may be the video you may have in mind, though I don't remember the suggestion to consolidate pages...

Is there a limit to how many 301 (Permanent) redirects I can do on a site?
Matt Cutts - Aug 4, 2011
trt 4:30
http://www.youtube.com/watch?v=r1lVPrYoBkA [youtube.com]