Webwire: Balsillie quits RIM; Sprint bins Wimax handsets

RIM hints it may go back to its roots in business-only devices, after annual profit fell from $3.4 billion (€2.5 billion) in fiscal 2011 to $1.2 billion in fiscal 2012 – the year to March 3. Former co-chief executive Jim Balsillie has resigned, along with David Yacht, the firm’s technology chief.
Sprint won’t introduce any new Wimax handsets, as it moves towards launching an LTE network this year.
Journalists calculate Google earns more from iOS than its own Android operating system.
Qualcomm plans to open an integrated circuit R&D facility in Singapore, which will research energy saving advances for mobile chipset designs.
South Korean telecom regulators are pressing Google to change its privacy policy to bring it in line with local laws.
PayPal's vice president of mobile, David Marcus, will take the helm of the company on Monday, replacing former chief Scott Thompson.