slideshare.net

slideshare.net

Slideshare is a website for people to upload presentations and view other people's presentations.

Pros
 * Upload presentations publicly or privately
 * Embed them on blogs and websites; share on Facebook and Twitter
 * Sync audio with slides
 * Don't need to register to view presentations

Cons
 * Ads at the bottom of presentations
 * You need an account to upload
 * Can be plaigarized

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Overall, Slideshare is helpful and easy to use. I give it five stars!