Yes, it is developing an underclass in society who do not have access to the information or the technology. We can only overcome this by making sure those people who want to get online but can't, do! This may mean providing the hardware, as well as the tuition to enable them to get onlne.
At the same time, we mustn't assume everyone wants to get online and should respect those who choose not to.
In the UK one of the biggest problems is the lack of technical infrastructure to allow people, especially in rural areas to even get a decent broadband signal. Much needs to be done by both the Government and corporates to address this and quickly. What use is an iPad3 4G when the UK is years away from even getting 4G?