 Some low-price NBs (EeePC, OLPC) were launched before the show , NB manufacturers had considered and evaluated what a consumer really want.
<clarity>  Some low-price NBs (EeePC, OLPC) were launched before the show , NB manufacturers had considered and evaluated what a consumer really want.
 Some low-price notebook computers (EeePC, OLPC) were launched before the show , NB manufacturers had considered and evaluated what a consumer really want.