The algorithm was the first public key encryption algorithm developed (in 1977 and published for commercial use.

The RSA Algorithm was developed by and named after the initials of: Ron Rivist, Adi Shamir, and Leonard Adleman while they were working at MIT. It was developed in 1977 and published in 1978.  The algorithm uses the exponentiation modulo in encrypt and decrypt information. 

Social networking sites d. online forumsthe first recognizable social media site,  six  degrees, was created in 1997. it enabled users to upload a profile and make friends with other users. in 1999, the first blogging sites became popular, creating a social media sensation that's still popular today.