You can turn it off, but then you can't see who viewed things. (Similar to how LinkedIn and OkCupid work with anonymous browsing.) And if you really want to see I'm sure you can do so via another account. (I think it is possible because okc and linkedin hide private data but quora hides public data.)
Instructions: http://www.quora.com/Views-on-Quora/How-do-I-turn-off-the-Vi...