Submitting your personal past cellphone bill data is the hook of a Toronto-based project called Aria, which is still in development. Aria promises to identify errors and suggest best plans based on usage. Data management security experts Robert Burnes and partner Tim Donnelly have used software to analyze business cellphone plans in the past, but want to make their tool available to the everyday consumer for $1/mont . “We’ve done that in the past where we look at a business’ cellphone invoice for...