They'd lose trust being so overt. A more subtle influence is that your suggestions would include sites nearby a McD at the expense of ones that don't. After mon

They'd lose trust being so overt. A more subtle influence is that your suggestions would include sites nearby a McD at the expense of ones that don't. After months of gathering sales data from McD they'd ring up Burger King to see if they'd like such suggestions to be tweaked. It would also suggest departure times so that you'd pass by the real target at typical feasting hours.