Getting there
Public transport in Berlin is very reliable and there are numerous train stations in the vicinity of Spreespeicher.
The closest S-Bahn is Warschauer Straße. It is a 25-30 minute journey from Hauptbahnhof, the main train station in the city centre, on the S3, S5, S7 or S9 lines.
Another option is Ostbahnhof, which is a 10 minute journey from Hauptbahnhof followed by a 20-minute walk to the event venue, during which you walk alongside sections of the Berlin Wall.
The (free) Citymapper app is available in Berlin and is helpful if you have an internet connection. There are also many reputable taxi companies well as numerous ride-hailing apps (including Uber and MyTaxi) with a presence in the city.