Session Conflicts between different logined users

prevent a single IP to be logined from multiple client accounts logined I'm making an App One of button in an app i'd like make popup a web browser with logined twitter I thought that i can with oauth(access logined but when user logined - cache not using It is give some trouble with CPU load so, as partially solutions

logined 15 hours ago, who logined with my account What should I do? Go offline, change password use software like Keepass to avoid using the