Apple took a huge hit business-wise by rolling their own (adequate but inferior to Google's) maps. One of the reasons they made the split was that Google wanted

Apple took a huge hit business-wise by rolling their own (adequate but inferior to Google's) maps. One of the reasons they made the split was that Google wanted user and usage data that Apple was unwilling to share. Google was offering vector map data (as opposed to tile-based) in exchange for that user data, and Apple refused. So, Apple bought user information protection (or, at least soloing) in exchange for loss of map quality. I believe that's the "deposit of trust"