Abstract: A system and method that (i) provide for features that provide assurances to content providers that their content is being viewed in a meaningful manner and (ii) encourage user adoption of dynamic lock screen content. A system and method may include selecting content to display on a mobile electronic device may include tracking, by the mobile electronic device, applications that are actively being utilized by a user of the mobile electronic device. The mobile electronic device may determine an environmental context of the user based at least in part on the applications of which the user has been utilizing. Content to display may be selected based at least in part on the determined environmental context of the user. The selected content may be displayed by the mobile device. The environmental context may be determined based on recently used apps, geographic location, information from apps (e.g., weather), and so on.

Abstract: A binder system is disclosed that flexibly secures one or more flat objects including by mechanical grasping of flat-shaped or sheet materials in a central spring clamp having a compact cross-sectional geometry that can adapt to several sizes of clamped materials and uses. In some aspects the spring clamp comprises an elongated tri-folded rail with a flat central portion and aids a user in opening and keeping the system in its open configuration. In other aspects the system includes customizable covers attachable to said central spring clamp.