steps to find who is invisible or blocked you on gtalk :1) Download & Install PidginClick here to download Pidgin chat client. If you already have Pidgin installed, you may skip this step.2) Configure Pidgin for GtalkYou’ll probably start with the below screen. Click the Add button. “Accounts -> Manage Account” will also bring you to the same screen. Let’s add Gtalk to Pidgin.Clicking Add will allow you to add new Gtalk account. The following two screenshots show what you need to fill up for Basic and Advance tab.With all the settings properly entered, you should be able to connect to Gtalk and load your contacts successfully.3) Find Who’s Blocking YouWhen someone blocked you in Gtalk (and other IMs), they appear offline just like...