8. A computer-implemented system comprising one or more processor-based devices configured to execute: an expertise inference function that infers a first expertise level of a first person who is a first user of a computer-implemented system from a plurality of usage behaviors; an expertise access function that accesses a plurality of expertise levels, wherein each of the plurality of expertise levels are associated with each of a plurality of computer-implemented objects; a discovery function that selects a first computer-implemented object of the plurality of computer-implemented objects, wherein the selection of the first computer-implemented object is performed in accordance with a comparison of the first expertise level of the first person with a second expertise level of the plurality of expertise levels that are associated with each of the plurality of computer-implemented objects; and a delivery function that delivers the first computer-implemented object to the first person.
14. The system of claim 8 comprising the one or more processor-based devices configured to execute: the discovery function that selects the first computer-implemented object of the plurality of computer-implemented objects, wherein the selection of the first computer-implemented object is performed in accordance with an inferred interest of the first person, wherein the inferred interest is based on a plurality of usage behaviors.