Why Do Cellphone Companies Pay So Much To Get Me, But Not To Keep Me?

It’s been often said that it costs several times more to acquire a new customer than to keep a loyal one around.

So why is that cellphone companies will splooge all over themselves to earn new customers, but do jack to actually retain them?

Opine in the comments, or tips at consumerist dot com.

Question spurred by ““I’m just an unfrozen caveman–your “cellular telephones” scare and confuse me” [Pocket Change]