Sit-ins have been extremely effective, where there's a free press and where companies want to avoid negative publicity. You can't eject people forcibly without

Sit-ins have been extremely effective, where there's a free press and where companies want to avoid negative publicity. You can't eject people forcibly without looking thuggish, and reporters flock to them. Only problem: you actually have to care enough about an issue to risk getting arrested. I'd be surprised if anyone cared that much about Apple's patent trolling.