What are some online brazilian forums?

I'm looking for a great(and active) community with cool culture and values. Not blackhatworld/warriorforum, but rather entrepreneurs and startupers, more focused around real online business rather than IM.

What are some of such educational forums online?

What are the needs that online forums fulfill ?

Which forums and online communities do you turn to for meaningful discussion on general business issues?

Many of the software used to create forums have a Whois feature. What does this do? What does it mean when someone is performing a "Whois" or a "Whois search"?

I'm looking to recruit some people for user testing & research for a new travel product and would love to know any active forums/sites where people visit to discuss issues relating to volunteering overseas (mainly in third world, particularly Africa...

With the growth of Quora like websites, the old forum structure of having threads with monotonous structure (chronological replies and "quote" abilities) are slowly becoming obsolete in terms of usability as well as the interface. I love the...

There used to be a question on here that listed three types of social monitoring tools that searched boards and forums. I can't find them now.

WSO is one that I am a part of. Are there other active forums around IB or consulting?