Technology Training Community

Two tools that are in many respects "cousins" are wikis and blogs. Each some of the features of the other, and yet they are both different. Each has strong and weak points, and each really can serve a different purpose and a different audience.

The question is, which do you use (or prefer) and why? What specific problem has it helped you address? How has it done that? And, to take it a step further, if you had to choose one feature from the other tool to incorporate into your chosen preference, what would that feature be?