Orkut Vs Facebook fight getting worse!

Hi friends,
As you all know both Facebook and Orkut are well established social networking sites. Both of these providers have already created their signature in the social networking world. But the fight between them is becoming worse in the past few months. There are a lot of reasons for this. The main reason is the boom of Facebook's development. Facebook has acquired unbelievable development in the past few years, which has obviously created a head ache for the other providers such as Twitter, MySpace, Orkut, Friensdster etc. But the most threatened provider is Orkut as Facebook has a lot of common features.

But in the case of security, Orkut is more vigilant than Facebook, we presume. Let us start from a very basic restriction. Saving the profile picture. An unknown user who visits you profile can easily save your profile picture in Facebook but cannot do this in Orkut. You may wonder, what is the security aspect in this. But yeah it has. Unwanted distribution and misuse of your picture can be restricted. Starting from this very basic option it ranges up to very complicated privacy features.