Create your own!
Barbie makes it to computer class just before the bell rings. As soon as class begins, Barbie raises her hand. "Yes, Barbie?" asks Ms. Smith, the teacher. "I know the assignment was to design a website, but I got frustrated with that stupid Adobe In-Design and wrote a b-tree lookup algorithm that is, in the worst case, O(log n) in search time complexity. Is this ok? I really HATE Adobe products..."