2) Sorting, ranking and scoring algorithms. Eg. figuring out which ad to show based on the average eCPMs, or which option to show based on a Quicksilver fuzzy search algorithm.
Everything else is as grandparent condescendingly calls it, stitching APIs together. Design patterns, data managements, doing all the little polish that makes up a real app.
1) Drawing code. One recent example was an (animated) undefined progress bar designed all in code I did last friday: http://akhun.com/seo/skitch/photo-20110805-195455.png
2) Sorting, ranking and scoring algorithms. Eg. figuring out which ad to show based on the average eCPMs, or which option to show based on a Quicksilver fuzzy search algorithm.
Everything else is as grandparent condescendingly calls it, stitching APIs together. Design patterns, data managements, doing all the little polish that makes up a real app.