Madrid, Spain + Add a trip

Wifi in Europe tends to be paid, rather than free a la US cities. My recommendation is to get a 3G card for your computer or rent one when you get there. That's how the locals do things usually...

Madrid has a lot of free and open Wi-Fi connections. For work I usually go to Plaza de los Cubos, there's a Starbucks with big tables. In summer they also have tables outside. Also in Chueca area you can get lots of open access wi-fi networks, Diurno (Calle de San Marcos 37) has free access.

I suggest the Plaza de Santo Domingo (St. Domingo's Square). Underground Callao or Sto.Domingo.

As Eduardo said there's a lot of free open Wi-Fi connections, you can look for the Wi-fi logo on restaurants bars etc... I know there's one in Plaza Santa Bárbara.

Until 2010 you can have the opportunity to enjoy free wifi connection from newspaper kiosk all over Madrid. You just need to register at http://www.wifimas.com/ . At the site you have a map with the position of the newspapers kiosks. At MadridMeMata (http://www.madridmemata.es/madrid-wifi/) you can find free wifi spots offered by cafés, hotels, libraries...

Maybe the particular Starbucks Eduardo mentions is different but most of the Starbucks I've been to both in Madrid and Seville charge an arm & a leg for WiFi. He is right however about the Chueca neighborhood: it's full of options. I'd suggest just taking a walk around there and looking for signs.

Any Corte Ingles Cafetería, usually in the top floor