HazelMail lets you design your own postcard online and then mail postcard to a designated address for a flat postage fee of $1.5.

HazelMail让你能设计自己的个性明信片，然后再邮寄到指定地址，花费只是1.5元的平信价格。

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The app Image It lets you quickly look up travel-relevant pictographs, such as a drawing of a stamp to indicate you want to buy one to mail a postcard, from an array of travel-related topics, from food to transport and medical emergency to shopping.

BBC: Google��s lesser-known travel apps

The site also lets you send a Loch Ness Monster e-mail postcard, buy a book on the legend and study the X-files-like Ness Files.

BBC: By Internet Correspondent Chris Nuttall

When you get referred to see a hospital consultant, would you like a letter to be dictated and posted in an unsecured manner to a mail room in a hospital pushed round on a mail cart, opened by somebody processed and then a postcard sent to your house regarding the nature of the appointment and where you should turn up?

BBC