Systems and methods for forming an encapsulated device include a substantially hermetic seal which seals a device in an environment between two substrates. The graphs comprise enough information to capture the features of handwriting that are unique to each individual. The foregoing are useful, inter alia, in the treatment of conditions characterized by a need to modulate migratory-cell movement associated with specific sites in a subject. The front legs nest beside the back legs. Responsive to detecting that the secondary player has moved outside reception range of the primary player, the secondary player only allows playback of the stored electronic work according to the digital rights rules. The electrical signal may define a frequency range comprising a first frequency and a second frequency.