On the Web: 8 Surefire Tactics for Increasing Your Mobile Revenues Without Breaking the Bank

7. Promote your phone number as if your job depends on it. One of the biggest mistakes retailers make when designing their mobile site or app is forgetting that people are using their phone when they're surfing it. Make it easy for users to call you by putting your phone number and click-to-call buttons all over the place. Perfected the phone part of mobile? Try video chat, which works particularly well if you have a complicated product.