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Wi-Fi, on the other hand, has never been more abundantly free, with tens of thousands of U.S. stores, airports, and other venues providing Internet access often at higher speeds than 3G networks wherever you can find a seat. Outside the U.S., it has been harder to find free Wi-Fi, but that's changing, especially in Europe.
Wi-Fi's biggest problem is that it's not everywhere. But it's generally convenient. Options for free Wi-Fi in the Northwest and across America have exploded in the past several weeks, mostly because of McDonald's decision to go free. But there are plenty of other options, too.