The presentation on advanced web searching that I gave to the Information for Energy Group on April 3rd, 2012 in London is now available. It can be found on:

authorSTREAM at http://www.authorstream.com/Presentation/karenblakeman-1383280-ifeg-20120403/

and

Slideshare at http://www.slideshare.net/KarenBlakeman/advanced-web-searching-ifeg-3rd-april-2012

If you have problems accessing it on either of those sites it is temporarily available as a PowerPoint file on my web site at http://www.rba.co.uk/as/