We have gone down the persistent route to align with the company website. The way it is setup is that on any content page (actual threads, articles, etc) there is a 'Was this helpful?' component with two buttons. Clicking yes pops up the Khoros survey and allows the user to fill it out. Clicking no gives three options; Ask a question, Contact us, Provide feedback. The first option takes the user to compose a post, the second to the contact us page on our company website and the final option pops the survey just like clicking Yes. The volume of responses to the survey are significantly lower than pop ups but we find the feedback is more likely to be about the experience than 'I don't know, this popped up before I finished reading'. ... View more

I would say just do it, change the title to make it more forum friendly. That said, I am a massive advocate of transparency so when editing the post to change the title add some text at the bottom on why the edit has occurred.   Moderators Edit: Subject line changed for clarity. ... View more

On my community we have any post over a certain agent show a message about the fact it might be out of date and hide the reply buttons so users cannot contribute further. As @VarunGrazitti mentions this requires customisation to achieve. In my implementation it is technically possible for a reply to still happen as the threads themselves are not actually locked but with the buttons missing it is highly unlikely (it hasn't happened yet). We have this feature feed off a value within a custom content field so it can be set to a different time period for different boards, which gives us flexibility. ... View more