Hmm...Not sure how useful they would but here are 3 suggestions:- * Try Adding some more lesser known but useful data structures like Trie,Bloom filters etc.

Hmm...Not sure how useful they would but here are 3 suggestions:- * Try Adding some more lesser known but useful data structures like Trie,Bloom filters etc. * Covering recent industry topic - explanation of core concepts that drive bigtable,hadoop, nosql etc. * Mobile programming from algorithmic prospective.