Perhaps conclude that "we3 2011 Ok.ru" isn't a widely documented term but could refer to a specific event, group, or campaign at the time, and suggest further research into Russian internet archives from 2011.
Alternatively, maybe "we3" refers to a user profile or a group that became popular in 2011. Some online challenges or movements use numbers like that. Like "30 days", "333 challenge", etc. But "we3" seems more like a term.
I need to check if there are any historical sources or articles about this. Since I can't look it up, perhaps reconstructing based on available knowledge. For example, in 2011, Ok.ru was competing with Vkontakte. They might have had initiatives to attract users. If "we3" is a part of their strategy, maybe a feature or app. But without specific sources, it's hard to confirm.
Wait, the year 2011 is important. Let me think about what happened with ok.ru around then. Odnoklassniki was expanding at that time, maybe they had a marketing campaign. Also, maybe "we3" is a typo or mis-spelling. Could it be "WeChat" or another service, but that's unrelated. Or "Vk" instead of "ok.ru"? Not sure.
Another possibility: "we3" as an acronym. For example, "We Are 3" – a group of three people (could be a band, a trio of activists, etc.) that promoted their content on Ok.ru in 2011. Or "W.E.3" with initials, but that's speculative.