I need your opinion. I found many sites which use google search just by using <form> with two <input>s: text field and submit button, which "action" is directed to www.google.com
In this case they do not have any direct profit from this and looks like do not use what is called google "services". They also do a good job for google, since their traffic is an add-on to the google traffic.
Could you please comment. Are there legal issues, ethical, etc. in this case.