diff --git a/presentations/1hr-GPL/1hr-GPL.markdown b/presentations/1hr-GPL/1hr-GPL.markdown
index 1afa3db..b068380 100644
--- a/presentations/1hr-GPL/1hr-GPL.markdown
+++ b/presentations/1hr-GPL/1hr-GPL.markdown
@@ -340,4 +340,35 @@ customarily used for software interchange;
+# GPLv3 § 6(a-b)
+
+
+[GPLv3 § ] 6. Conveying Non-Source Forms.
+
+
+You may convey a covered work in object code form under the terms
+of sections 4 and 5, provided that you also convey the
+machine-readable Corresponding Source under the terms of this License,
+in one of these ways:
+
+
+a) Convey the object code in, or embodied in, a physical product
+(including a physical distribution medium), accompanied by the
+Corresponding Source fixed on a durable physical medium
+customarily used for software interchange.
+
+
+b) Convey the object code in, or embodied in, a physical product
+(including a physical distribution medium), accompanied by a
+written offer, valid for at least three years and valid for as
+long as you offer spare parts or customer support for that product
+model, to give anyone who possesses the object code either (1) a
+copy of the Corresponding Source for all the software in the
+product that is covered by this License, on a durable physical
+medium customarily used for software interchange, for a price no
+more than your reasonable cost of physically performing this
+conveying of source, or (2) access to copy the
+Corresponding Source from a network server at no charge.
+
+