Complex sentence: The software works by uploading a picture taken with the phones camera to a web server that intern decodes the EZcode and sends the content back to the phone, this makes the decoder dependent on an active Internet connection even for scanning contact info.
Split into simpler sentences: The software works by uploading a picture taken with the phones camera to a web server that in turn decodes the EZcode and sends the content back to the phone. This makes the decoder dependent on an active Internet connection even for scanning contact info.