Whether you are running a law firm, a financial services firm or a business, your brand is everything. Whether you're positioning your brand as something credible, trustworthy or customer service oriented, one thing is certain, people gravitate to businesses that actively brand themselves. To do this, you must build a robust community of brand advocates! http://friedmansocialmedia.com/blog/2013/10/15/importance-building-community-brand-advocates/
In the iPhone Human Interface Guidelines, Apple recommends a minimum target size of 44 pixels wide 44 pixels tall. Since physical pixel size can vary by screen density, Apple's pixel specifications apply best to the iPhone's 320 by 480 pixel, 3.5 inch display (164ppi). Since the release of the iPhone 4's Retina Display (326ppi) Apple has updated these specs to points instead of pixels.