博文
A green way to keep in touch with your friends...
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There are many e-card sites, and some are free. Two years ago, a friend introduced me this one: http://www.jacquielawson.com. Though not free, I still use it to keep in touch with my friends.
Check it out yourself.
Happy Holidays!
https://wap.sciencenet.cn/blog-306792-269385.html
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