Ralf Rottmann is a serial entrepreneur from Germany. He successfully sold his last business to Alcatel-Lucent. Follow him as @24z on Twitter and on Google+

Stories by Ralf


Aupeo: A beautiful new take on music streaming for the iPad

SyncPad: A real-time collaboration app for visual presentations

The Week in iOS Development, 05 June


The Week in iOS Development, 23 - 29 May

How social media is going to change the way people work [video]

Attention devs: From June 3rd, your apps might no longer work with Facebook!

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Week 20 in iOS Development


Sensible TableView is an iOS dev's dream

Pizza Express team up with PayPal to let your iPhone app pay for your meal

How to fix the missing YouTube app on your Xoom

Amplify your ideas!

Amplify introduces post-by-email, letting you spark conversations across all your social networks!

Amplified content

You haven't heard about Amplify yet, have you?


This might be the coolest shop site ever!


Dropbox now with selective sync – we love it!


How to update your Nexus One to Android 2.2 (Froyo) today!