Disclosed herein is a folding container which stores various kinds of cargo and is transported. SMS is used in conjunction with an Interactive Voice Response system and a text-to-speech translator to provide enhanced text messaging. The method comprises storing non-zero data elements of the matrix in a data array and storing their corresponding column address values in a column index array. However, databases often contain sensitive information that would be inappropriate, illegal, or vulnerable in a testing environment. One example system includes a plurality of beacon devices, at least one observing entity, and at least one verifying entity. Such proteins and molecules with increased half-lives have the advantage that smaller amounts and or less frequent dosing is required in the therapeutic, prophylactic or diagnostic use of such molecules.