U.S. President Barack Obama today is announcing $750 million in corporate commitments for his ConnectED initiative to provide students with greater access to high-speed Internet connections. Apple is a key member of the group and has pledged $100 million in iPads, computers and other tools, according to an Associated Press report.Apple is pledging $100 million in iPads, computers and other tools. AT&T and Sprint are contributing free Internet service through their wireless networks. Verizon is pitching in up to $100 million in cash and in-kind contributions. And Microsoft is making Windows available at discounted prices and offering 12 million free copies of Microsoft Office software. Obama was to announce the commitments T