Should I use pipes or dashes in my titles?

Blind Five Year Old from San Francisco, CA asks:

"Does Google have any suggestions (or data) on the impact of pipes versus dashes in the title tag?"

This video is part of a "Grab Bag" series in which Matt Cutts, head of Google's webspam team, answers questions from webmasters. We're not currently taking new video questions, so your best bet for getting an answer about webmaster-related search issues is to head to our help forum:
http://www.google.com/support/....forum/p/Webmasters?h