I’m @MartinHN on Twitter. iOS and Web guy, love hacking on Products & UX stuff. Builder of @geteighty
“I’ve learned more about our product and our customers in the last two days, than I did the entire last year” …
Back in 1993 Doom was released.
You bought the shareware edition in a local store, you played the first couple of levels and if you wanted to play more you upgraded to the full version of the game.