From time to time I’ve wanted to collect information from readers. I have adopted and discarded various polling plugins. But, they keep changing and being a pain. So, seeing this come through my mail I thought I better take a look.
Elegant Themes has a tutorial out explaining how to add a Google Form to your blog. They do a good job. The result is pretty much point-click then post a block of text into your post. Easy.
They go on to explain how to use the resulting data collection.
For complex data collection I think this is a good solution. If you want to collect information from users check this out.