Postcards have been a staple of tourists and collectors for over 100 years. In our current state of technological overload, postcards serve as simple, single-minded communication devices. They're fun and easy to use. And still relatively cheap to mail.

Online, you can find any number of companies that will print you up some bulk postcards, if your intent is to send the same message to everybody.

More importantly, you can also find fun collectible and non-collectible postcards on a variety of sites.

New Postcards

Some of the best sources of new postcards are the many photograph sharing and social networking sites. Many people post photographs which will make great cards, and the following sites provide a way for you to purchase postcards of these photos.

Zazzle

Flickr

CafePress

Vintage Collectibles

These sites sell vintage collectibles or link to other sites that sell collectible postcards:

http://www.thepostcard.com/

http://www.vintagepostcards.com/

http://www.historybound.net

http://www.moodyscollectibles.com/

http://www.postcardcity.ecrater.com/

http://www.smsnoveltiques.com/

http://www.cyberattic.com/

And of course, you can always search for postcards on:

http://www.ebay.com