John Anderson and Sharon Rapoport estimate they spend $400 a month, or close to $5,000 a year, keeping their family of four entertained at home.

There are the $30-a-month data plans on their BlackBerry Tour cellphones. The Roanoke, Va., couple’s teenage sons, Seth and Isaac, each have $50 subscriptions for Xbox Live and send thousands of texts each month on their cellphones, requiring their own data plans.