 OLEDs being a kind of thin display screen, for example.</span><br /><br /><span style="font-family:times new roman;">Business rules from on-line content producers or aggregators can also use OpenCyc terms, adding information like: </span><span style="font-style: italic;font-family:times new roman;" >&#8220;If someone is interested in a product, information about components of that product may be relevant.&#8221;</span><span style="font-family:times new roman;">  Or </span><span style="font-style: italic;fo