So without authentic passwords, you can not log in to your account. At this point, if your account is hacked, or stolen, email Facebook instead wanting to delete facebook without password. Ask Facebook support to reset your password and send it to you, so you can take over your facebook account.
The protocols allowed users to send and receive messages of up to 160 alpha-numeric characters to and from GSM mobile handsets. Though most SMS messages are mobile-to-mobile text messages, support for the service has expanded to include other mobile technologies, such as ANSI CDMA networks and Digital AMPS. SMS is also employed in mobile marketing, a type of direct marketing.
if you want to get a message to someone you have to use SMS. The report predicts that in 2014 the number of texts sent will fall even further to only 140bn, while the number of instant messages will increase dramatically to around 300bn.