Rendering device with content substitution

A device for rendering content from a first source comprising:

• a first input for receiving the content from the first source,
• a second input for receiving a substitution content item from a second source,
• substituting means for substituting a segment of the content with the substitution content item,
• characterized by
• monitoring means for monitoring receiving of the segment from the first source, and controlling the substituting means to cease the substituting dependent on the receiving of the segment, such that the substitution means cease the substituting when the receiving of the segment ceases.

Method of rendering content from a first source comprising:

• receiving the content from the first source,
• receiving a substitution content item from a second source,
• substituting a segment of the content with the substitution content item,
• monitoring the receiving of the segment from the first source, and controlling the substituting means to cease the substituting dependent on the receiving of the segment, such that the substitution means cease the substituting when the receiving of the segment ceases.