| 摘要 |
This application relates to an improved manner of establishing or identifying a subgroup of users, which users belong to a larger group, and each user having a computing device, by providing a network comprising a first and a second computing device. The first computing device being configured to send out a detectable signal and the second computing device being configured to register said signal whereby a computing device subgroup is established comprising said first computing device and said second computing device. |
