Saved -2009- Ok.ru -

Possible challenges include ensuring the accuracy of dates and features. I should cross-reference multiple sources to confirm when certain features were added. For example, Odnoklassniki introduced a mobile version in 2009, which could be a key point. Additionally, it's worth noting that Odnoklassniki is owned by Mail.Ru Group, which might have started incorporating it into their suite of services around that time.

Launched in 2006 by Russian entrepreneurs Igor Krotkov and Artem Kharlampov, Odnoklassniki (ok.ru) is a social networking platform designed to reunite users with former classmates, colleagues, and friends. By 2009, it had become one of Russia’s most popular social media platforms, competing with VKontakte (VK) and global giants like Facebook. saved -2009- ok.ru

Also, considering the year 2009, there might have been specific developments or milestones for Odnoklassniki. For example, they might have implemented certain features that contributed to their growth. I should check if there were any notable events in Odnoklassniki's history in 2009, such as partnerships, new features, or competition with other platforms. Possible challenges include ensuring the accuracy of dates

I should also consider the user's possible use case. They might be presenting this for a report, an educational project, or a personal archive. The tone could be academic or more informal. Since the example provided in the history is about a "saved -2001- web.archive.org write-up," the user probably expects a similar structure for this one—mentioning key features, user base, significance, and maybe some historical context. Additionally, it's worth noting that Odnoklassniki is owned

I need to avoid any speculation and stick to verified facts. If I can't find specific details about 2009 events, I can highlight the platform's growth from 2006 onwards and note that 2009 was during its rapid expansion phase. Also, mention that it became one of the leading social networks in Russia by that time.