Wow. I was always fascinated how a single function - XMLHttpRequest() has grown to be promoted into a TECHNOLOGY but it just outdone itself by becoming two (!)

Wow. I was always fascinated how a single function - XMLHttpRequest() has grown to be promoted into a TECHNOLOGY but it just outdone itself by becoming two (!) TECHNOLOGIES by taking a little longer to return to the caller. scanf() must be screaming with envy. Poor old scanf()... future holds nothing for it.