During the three month average ending October 2011, 23.6 percent of Google’s Android tablet users also owned a smartphone running on Google’s OS. The third operating system analysed was Blackberry’s RIM with 20.1 percent of Playbook (RIM) owners also using a Blackberry smartphone as their primary device. Interestingly, when looking at the figures in reverse, 66.3 percent of iPad users don’t have an iPhone, showing that the iPad’s popularity extends well beyond Apple’s smartphone customers.