The limiting factor is mostly a function of the amount of external space available for antennas.

FORBES: iPhone 'Math': The Bigger Screen Adds Up

Vitamin D also appears to play a role in healthy immune function and reducing inflammation, a risk factor for numerous diseases including cancer, heart disease and diabetes.

CNN: How much vitamin D should someone over 55 take?

This is a function of every market being different, a factor you must handle carefully to ensure success, Johnson says.

FORBES: The Good, The Bad and The Tragic: Stories of Acquisition for Growth

The foot-friendly furry rug makes the floor exciting. (Money-saving tip: Use a large, inexpensive sisal rug as a base, and layer it with a small version of the pricier rug you love.) Windows with wow factor: Embroidered Roman shades add warmth and contrast and function as art against understated blue walls.

CNN: Amazing room makeovers

She said they were currently funding research into drugs that mimic the action of nerve growth factor (NGF), the name given to the gene therapy involving stimulating cell function.

BBC: NEWS | Health | Alzheimer's gene therapy hailed

We think PC Mag would agree that the company's quad-band GSM VK2020 musicphone -- that, like the models, we also spotted at CeBIT -- falls in line with this assessment, as their review highlights the handset's RAZR- and SLVR-killing thinness and "wow factor, " but knocks it on nearly every aspect important to people who actually like their stuff to function properly.

ENGADGET: VK Mobile's waif-like VK2020 musicphone reviewed Mobile