Authors of TypeScript are determined to 'fix' '$ billion' error of adding 'null' to programming languages by replacing them with better features...
Anders Hejlsberg on TypeScript 2 | Seth Juarez | Channel 9
TypeScript blog @ MSDN
TypeScript 2.0 Preview @ InfoQ
Null References: The Billion Dollar Mistake @ InfoQ
"Tony Hoare introduced Null references in ALGOL W back in 1965 “simply because it was so easy to implement”, says Mr. Hoare. He talks about that decision considering it “my billion-dollar mistake”."