Breakfast briefing: Iran's latest internet clampdown - plus SAP and Amazon

• Internet connections in Iran are apparently grinding to a halt ahead of upcoming anti-government protests. Why? Officially, the government is blaming it on the fact that "part of the fibre-optic network is damaged." - by which time the latest round of protests are likely to be over. • It's not often we talk about SAP - the German software giant that, thanks to its huge business market, is one of the world's most powerful technology companies in the world - but the men in suits are in the headlines. Why? Because chief executive Leo Apotheker has suddenly resigned as revenues fell and great rival Oracle continued making ground. • The war between Amazon and Macmillan appears to be over, for now, after the internet retailer started stocking the publisher's books again . You can follow our links and commentary each day through Twitter ( @guardiantech , or our personal accounts ) or by watching our Delicious feed .