how to check keyword competition

[pranam]

hello everyone, i am new here so pls dunt mind if i ask something stupid.

i was going through the videos tut at takeover page one .

i found this link not working
http://adlab.msn.com/Online-Commercial-Intention/

my question is, is there any new way to check buying intent??
how to check keyword competition ?.

[juicebrenner]

A good way to check the competitiveness of a keyword is to use Adwords tool by Google. Since it shows stats for Google and my main focus is Google search.