9 Software; downloadable computer software applications; computer software enabling users to measure their sports performance, then share and compare them with those of other users; downloadable computer software applications enabling users to measure their sports performance, then to share and compare them with those of other users; computer software enabling users to challenge themselves regarding sports performance; downloadable computer software applications enabling users to challenge themselves regarding sports performance; computer software providing advice for improving sports performance of users; downloadable computer software applications providing advice for improving sports performance of users; computer software for use in the field of fitness, weight management and fitness assessment; downloadable computer software applications for use in the field of fitness, weight management and fitness assessment; computer software enabling users to share photos and videos; downloadable computer software applications enabling users to share photos and videos; computer software for altering the appearance and enabling the transmission of videos and photographs; downloadable computer software applications for altering the appearance and enabling the transmission of videos and photographs; computer software for the collection, editing, organizing, modifying, transmission, storage and sharing of data and information; downloadable computer software applications for the collection, editing, organizing, modifying, transmission, storage and sharing of data and information; programming interfaces for software which facilitates online social networking services; software for uploading to the server, downloading, accessing, publishing, displaying, tagging, broadcasting, linking, sharing or providing other means of electronic content or information via computer and communication networks; receivers used for capturing physical data from a sensor, namely, time, distance, rate and calories burned