Although not originally designed for telephones or tablets, the Linux kernel is now getting more contributions than ever from mobile and portable device vendors, whose input is driving a heretofore unseen rate of development for the open source project. "You see this tremendous acceleration of code happening due to an incredibly broad device enablement," said Jim Zemlin, executive director at The Linux Foundation, referring to how makers of tablets, smartphones, wearable computers, and sensor devices are all using the kernel.