"Entstanden im Rahmen unserer Aktion „3 Teams, 14 Tage, 150.000 Möglichkeiten" und entwickelt von Team A aus Hamburg."
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It was a contest - roughly translated 3 teams, 14 days 150.000 posibilities. The lock has been developed by Team A from Hamburg.
If you have access to some kind of server you could try using a compressed socks connection via ssh -CDport user@host that should reduce your amount of traffic. Especially for text transmissions which can be compressed quite good.