Moreover, in the current business model, almost half of profits come from monthly fees charged for email and connectivity, which we see under progressive pressure as Blackberry expands into the lower consumer segment, and is under pressure in the corporate segment.

FORBES: Connect

Although the large-SUV segment has been under pressure, the GM rigs have been bringing in higher revenues and profits.

FORBES: Magazine Article

While the iPad remains the segment leader, increased competition in the tablet space might put pressure on Apple.

FORBES: Apple Earnings Preview: Revenue To Jump 46% In First Post-Steve Jobs Quarter