Aspects of the present disclosure are directed to obtaining user feedback and causing a package of content updates to be created and distributed based on the received feedback. Each of these two stacked tables has three degrees of freedom and is provided with actuators for controlling its motions in these three degrees of freedom. The scanner has a front wall provided with a reading window. 5 to about 6, wherein all components of the modified antibody, including a succinimide ring of the succinimide moiety, are stable.