If I protest against the corporations, none, they will kill me when it's convenient for them.

If this is the case, why are you making it easy for them to track you by posting online.

One step to limiting corporations control is to eliminate 'Corporate Personhood': http://en.wikipedia.org/wiki/Corporate_personhood & http://movetoamend.org/

For everyone else looking to protest against any insurmountable odds, people are joining forces here: http://yeslab.org/index.php (if you need this in movie form: http://vodo.net/theyesmen)