Slideshare views have hit 100,000 this week; with 111 presentations, that's nearly 1,000 each ...

Which is much more than saw any one of them in person. Here's the newest (from November 2013):

A Current Overview of the Biodiversity Heritage Library from Martin Kalfatovic

And here's the oldest (from six years ago):

Biodiversity Heritage Library: Cornerstone of the Encyclopedia of Life from Martin Kalfatovic