Hi Chris, unfortunately, at this time the "Recommended for You" criteria
does not directly consider additional information such as brand.
However, you still can apply inclusion rules to constrain the result set
to match items based on attributes in the profile, including something
such as "favorite brand." For more information on what the algorithm
does directly consider, check out this great blog post authored by my
colleague Rob Hornick. I really appreciate the question and love hearing
about ...