surprise, surprise hacker news is a great place to crowdsource market research. I had a fun time looking through the list but I can't edit the comments on the Google Doc.
And since I can't edit: "Crowd-sourced shipping" has been done. http://www.uship.com in Austin has been doing this for 5+ years.
And since I can't edit: "Crowd-sourced shipping" has been done. http://www.uship.com in Austin has been doing this for 5+ years.