Abstract: Described herein is a system and method of generating precise location information. Feature points of an image are received from a user device (e.g., mobile phone). Location information of the user device (e.g., GPS coordinates) and relative transform information from the user device are also received. An image anchor is identified based upon the received feature points, relative transform information, and the received location information. Precise location information of the identified image anchor is provided to the user device. The precise location information of the identified image anchor is based upon filtered feature points, location information and relative transform information received from a plurality of user devices over a period of time (e.g., hours, days, weeks, months). The precise location information of the identified image anchor is updated based upon the location information of the user device and the relative transform information received from the user device.

Abstract: A traffic management apparatus for connection within a data transmission network is disclosed, that is arranged to manage the distribution of data traffic between data serving computers and the data relaying devices by analysing client requests. The apparatus has an input device (401), a data processing device (402) and an output device (403). The input device (401) is configured to receive electronic mail communications that include body text and one or more original file attachments in the form of executable programs. The processing device selects (803) original file attachments that are executable programs to produce selected file attachments. The processing device adds (805) a textural notice to the body text to the effect that an executable file is included as an attachment. The processing device compresses (806) the selected file attachment to produce compressed file attachments.