A magnetic memory device comprises a plurality of magneto-resistance effect elements arranged in a matrix form. Flushing pattern data is previously stored in a storage part. The signature is verified at the decoder to detect an error in the compressed information. A first portion of each pad extends away from the first side of the base and a second portion of each pad extends away from the second side of the base. Notifications may also be priced and distributed to users based on their relevance. If there is one non-propagated key property then the value of the property is used.