It’s all about bbska, a small yet useful application for storing and managing information of any kind in a matryoshka like fassion. Matryoshka (or babushka where the name bbska comes from) is a Russian nesting doll, where one (wooden) doll contains a smaller doll which contains a smaller doll and so on. Any user may access other users’ public information nodes, but only the owner may access private information nodes. An information node is a set of key/value pairs which may contain children information nodes (that is where the matryoshka way of creating an information tree comes into play), or may not contain any children information nodes (terminal node). A terminal information node may become a parent node after adding some information nodes to it, whereas a matryoshka node may become a terminal node after deleting all of her children nodes.