Live TV tends to be less polished, less produced than recorded TV, but it's more compelling because it's happening right now.
Similarly, glogging can be more compelling than blogging or vlogging because it, too, can be live.
Google Glass lets you launch an instant, live Google+ hangout (group video chat) using a simple voice command. Doing this not only makes vlogging live, rather than just recorded, but it points the camera at what you're seeing rather than at you seeing it.
For example, if an earthquake struck right now or if I witnessed some other breaking-news style event, I could either be broadcasting it in a hangout within a few seconds, or I could start recording or shooting pictures instantly, and post them in a few seconds.
At the personal level, if a baby is about to take his first steps, a parent could instantly share that event live with the whole, extended family in real time (and still have arms free to help the baby).
Glogging changes how you think about blogging
Tech journalists go to product announcements and blog about what they saw. Glogging lets viewers be there and see new products through the eyes of the blogger. Here's tech journalist Andy Ihnatko discovering the Nokia Lumia 1020 camera phone. The glogging format gives you a deeper experience for unboxing, exploration and how-to videos because you're not performing for the camera like a TV news reporter. You just roll video and your own experience is shared.
More to the point, Andy is a print journalist who might not have recorded video of his demo at all if not for Glass.
Glogging invites sharing of experiences that would normally go unshared, vastly expanding the range of experiences that can be blogged.
Glogging changes where you can blog from
With blogging, you have to stop doing before you start blogging. But with glogging, you can do things and blog about it at the same time, even when those activities require both hands.
People commonly video-record performances. But glogging enables performers to record from their perspective, too.
Glogging lets you communicate with your hands