Pushing Buttons: Happy 50th birthday to Atari, whose simple games gave us so much

In this week’s newsletter: As the revolutionary company celebrates a half-century, we look back at everything video games owe to AtariDon’t get Pushing Buttons delivered to your inbox? Sign up hereWelcome to Pushing Buttons, the Guardian’s gaming newsletter. If you’d like to receive it in your inbox every week, just pop your email in below – and check your inbox (and spam) for the confirmation email.This week marks a truly important video game anniversary: it is 50