Why the East German's didn't need twitter

We might think that twitter and modern technology is the tool of spreading revolution but as the Globe and Mail reports

In 1989, there was no text messaging or Twitter. But that didn't stop resistance members from quickly spreading the word

Twenty years after the Berlin Wall fell on Nov. 9, 1989, and the communist government in neighbouring Czechoslovakia joined its neighbours in giving up power six weeks later, the activists involved are struck by the fact they were able to communicate with a speed and efficiency that would be difficult today - even though they lacked the cellphones, e-mail networks, Twitter accounts and websites used nowadays by anti-government movements in places such as Iran.