Popular presentation-sharing website Slideshare posted its annual Zeitgeist summary on Tuesday, 17th Jan 2012; bringing some interesting data to the fore.
For instance, presentations written in Japanese have the highest average number of slides (29), women use fewer slides than men in their presentations and the longest presentation uploaded in 2011 is 2811 (In 2010 the number was 1,937 slides)
Some other interesting highlights:
1. Average Slide per presentation is 22.
2. Average size for the uploaded file is * Document – 1.8 MB & * Presentations – 3.7 MB
3. The Americas and Europe uploads almost 80% of the slide decks (Surprised not to see any number from India!)
4. PPTX is the most popular format.
5. 8.2% of the popular presentations are keynotes
6. 21 is the average no of images used per presentation which is 37 average in case of popular ones.
7. Popular Presentations Use a Lot of Slides: The total number of slides in the top 1,000 slide decks has about 65 slides per presentation. The average number of words per slide is 32.
8. None of my Slideshows have been featured in the entire Zeitgeist (Again a surprising fact that is difficult to digest 
)
If you’re interested in digging deeper into what makes a presentation so good that people want to share it, check out the most popular presentations of 2011.
The entire Zeitgeist slideshow is available below:
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