The base of the bag is actually flat and wide enough that you can set the bag down without having it roll over (assuming you have more weight in the main compartment than in the front pockets). A handle on top, something you don't typically find on messenger bags, makes for fast grab-and-go departures. However, because of the size and shape of the bag and the length of strap, it's easy to get the strap twisted. And, since it's not removable, straightening it out again requires more effort than it should.
There are straps on the bottom to give you a place to attach a small tripod or monopod. There's a good amount of padding on the bottom, too, so it can take some knocking around.
Again, the main compartment is sealed with a zipper, and the top flips open away from you. This means if you're wearing the bag when you open it, you don't have to hold back the top when you're getting things out of it.
The fully padded interior is lined with bright blue anti-scratch tricot with movable internal walls. The color makes it very easy to see your gear or spot that stray memory card that's fallen into the bottom of the case.
The Informant has enough room for one camera body with a medium lens attached and up to three additional lenses (depending on size, of course). There are also two zippered mesh pockets inside the top to stash essential accessories, spare batteries, and memory cards. It would be nice if it had a discrete pocket for a flash unit, but it doesn't.
There is also a separate section inside that runs the length of the bag that's big enough to hold an iPad or MacBook Air or similarly sized tablet or laptop. There's a strap inside to help keep a tablet or laptop in place, too.
The smaller version of the Informant fits one camera body with a medium lens and two additional lenses, but it will hold only smaller tablets, and there are no tripod straps.
The Timbuk2 Informant camera sling is a lovely little camera bag. It's a great fit for a day-trip bag for photographers who just want to bring just a little more than essentials. Its size also makes it nice for someone who is just starting out and maybe only has one or two lenses. It's something you can keep all your gear in so you can just grab it and go without worrying about leaving something behind.