I should probably point out the differences between podcasts and vloging. Most notably that not all vlogs can be downloaded. This is usually due to them being posted using YouTube, Revver or Blip players. Another difference is that podcasts from iTunes can be viewed without an internet connection. Apart from that, there are not that many differences between the two. Both can be viewed for free and both can be created using the same equipment (a camera and a microphone). On a side note, many vlogs have been put into podcasts (such as machinima.com and collegehumor.com).