With its eye firmly fixed on a return to profitability, Sonys been making extensive cuts to its business arms in recent days (bye bye, VAIO!). So its no surprise the company would train that cost-cutting eye onto another underperforming unit — its e-reader business. Sony announced today that itll be shuttering its Reader store come late March and that all Reader accounts (including library content) would be moved to Kobos platform during that time.