Abstract: A method for operating a user device connected to a network includes receiving in an application running on the user device a communication from another user device across the network including a link to a server on the network, activating the link to send a communication to the server, running a script on the server in response to the communication, the script determining whether a particular software application is present in the user device, opening the particular software application in the user device if it is determined that the particular software application is present in the user device, and directing the user device to a page for downloading the particular software application on an app store site associated with the device if it is determined that the particular software application is not present in the user device.

Abstract: A snorkeling apparatus that includes an eye cover device and a snorkel, has one or more of the following features: (1) a centrally located snorkel rigidly connected to the eye cover device; (2) a head strap engaging an upper portion of the snorkel to hold it in place; and (3) a purge to be between the snorkel mouthpiece and the eye cover device for purging water from the eye cover device.

Abstract: A cleaning apparatus for textile machines or the like is provided. A track is disposed above different types of machines. Extending to the side of the machines are suction and/or blowing hoses that are movable transverse to the direction of movement of the cleaning apparatus. This movement is controlled by a parallelogram guide means, which is mounted in such a way via a control mechanism that the parallelogram guide means is laterally displaceable into at least two positions.