Described herein are systems, methods, computer program products, and combinations and sub-combinations thereof, for enabling web content to be loaded on mobile devices, and for users of mobile devices to operate with such web content on their mobile devices in an interactive manner while in an off-line mode. The memory module also includes a non-volatile memory storing row addresses identifying rows containing DRAM memory cells that are likely to lose data during normal refresh of the memory cells. The deployment actuator can thereby be used to push the filter out of the introducer sheath. If a second one of the allocation approaches is selected, a portion of storage using an approach that emphasizes maintaining concurrent access to the file.