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People turn to free services for several reasons beyond the obvious one.
Redundancy is another attraction. Otherwise, steer clear. The rush to broadband service has been slow to extend to free ISPs, so what you get gratis is an analog connection. However, all the free ISPs we reviewed provide 56-kbps access across most, if not all, of their networks, and they maintain a surprisingly large bank of access numbers. The larger, more established free ISPs such as NetZero and Juno have the largest network of access numbers.