[mdavis6890]

Apple probably also did not want to compete with Michelin w.r.t tires either.

Partitioning the market is when you, well, partition the MARKET, meaning divide up potential BUYERS of your product with some other company selling a similar product, so that your company is effectively a monopoly within the subset of buyers that you were allocated.

[dccoolgai]

So the buyers for office software may have had two options, but after this deal there was effectively a monopoly with both potential subsets of buyers left with only MS Office as a choice... This reads like the definition of a monopoly from a school textbook...