I'd actually argue AT&T's net margin is fairly robust considering the fact that
the core mobile communication business model is competitive (among the limited players), saturated, and even somewhat commoditized.
Core Competencies
Business Development • Product Development • Sourcing • Brand Development • Product Design & Selection • Vendor Relations • Market Trends • Forecasting • Negotiation • Product Placement • Team Leadership Strategic Analysis •
Communications • Customer Satisfaction • Mentoring • Territory Development • Analysis & Planning • Account Management • Cross Functional Team Development & Management •
Business Analysis
Mobile & Telecommunications Infrastructure • 3G, IMS, LTE Wireless Networks • Emerging Technologies Operations Improvement • Profit & Volume Growth • Sales & Marketing