...you have more than one user account on a website (in Hotmail, Gmail, forums ...), you may have noticed that it is impossible to have more of an active session at a time, and each time you want to switch users you...
...of the inconveniences of working with various computer screens at the same time is the lack of a toolbar in the rest of the screens. This can cause confusion to the users, because they are accustomed to looking at...
