The present disclosure is directed to systems and methods for processing advertisement opportunities when a user views content on a mobile device. For example, there is provided a method for peer-to-peer connection reestablishment by a mobile device. Each projection is composed of a generally spherical top portion and tapered column-like portion. Furthermore, by using a special port to the memory interface controller the writing of trace data may be accomplished in a manner that does not affect the speed of the on-chip bus between the processor and the memory interface controller. The device includes a touch-sensitive surface and is configured to detect a plurality of pressures on the touch-sensitive surface, wherein the plurality of pressures form a Braille character, construct an image formed from the points associated with the plurality of pressures; and recognize the Braille character based on an analysis of the image.