Competition in the US wireless carrier market remains fierce, reports Business Insider.<br />The Big Four US carriers are Verizon, AT&T, T-Mobile, and Sprint.<br />In an attempt to avoid further competition on price, carriers began shifting their focus.<br />Most added value to their mobile plans with new offerings to differentiate from the competition.<br />New, expensive unlimited plan tiers loaded offer an array of features and choices.<br />Looking forward, the US carrier market will see competitive pressure pick up due to a number of trends.
