Would prefer one or two examples with lots of in-depth info. Examine it from an engineering point of view.
closed as not constructive by David Zaslavsky♦ Sep 22 '12 at 3:12
As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references, or specific expertise, but this question will likely solicit debate, arguments, polling, or extended discussion. If you feel that this question can be improved and possibly reopened, see the FAQ for guidance.