Perception of a personalization item is enabled in an instant messaging communications session by rendering, on an instant message recipient system, an instant messaging application user interface for an instant messaging communications session involving at least an instant message recipient and an instant message sender. The system described herein includes multiple processors, each of which may be directly coupled to memory. The content portal identifies content and corresponding layout information for the computer system by at least determining the commonality between object keywords for the physical object and target keywords for content providers and determining content placement priorities corresponding to content providers. The thickness of a construction element may well exceed 30 cm, for example 40 cm, 50 cm or even 60 cm. The method may also comprise applying voltage potentials to the plurality of memory cells to refresh a plurality of data states stored in the plurality of memory cells. The resilient member applies a force on the pivot shaft gripper so that the pivot shaft gripper tightly grips on the pivot shaft, and the pivot shaft gripper is relaxed by an external force for allowing the pivot shaft to rotate relative to the base.