A family of four in the US have put themselves up for sale offering to advertise companies for $2 a day。

　　In a unique marketing pitch they have offered to wear company sponsored clothing all day and will use social media such as Twitter to promote sponsors。

　　Calling themselves "The Billboard Family" they promise to travel around the US and spread the word about any company that wants to sponsor them。

　　In a video posted on YouTube, the family introduce themselves as father Carl, mother Amy, son Layne and daughter Kaitlyn。

　　There is also a hospital scan photo of their child that is due on December 31st。

　　Explaining the idea to sell themselves father Carl said: "We are a real family of 4 (with one on the way) who wears your company shirts all day long, taking loads of photos and videos。

　　"We then promote your company online on Facebook, Twitter, Flickr, YouTube, and our website, as well as to all of the many people who ask us why we are all wearing the same shirts."

　　The family charge companies $2 (£1.26) a day to wear their logo, but special days such as New Year's Eve carry a $730 (£460) price tag。

　　Carl, who has a computer sciences degree, was "inspired" to advertise his family "by his desire to make a respectable living."

　　He also said to me he "wanted to teach our kids about self-reliance and business"。

　　"They're very young but they have been very involved. They also love the attention," he said。

　　The family come from St Louis, Missouri, but on their webpage say they plan to travel around the US。

　　(Read by Renee Haines. Renee Haines is a journalist at the China Daily Web site。)

　　美国有一家四口近日集体上阵，以一天两美元的价格出售自己，为公司做广告。

　　这种营销方法可谓独一无二，他们提出会一整天都身着合作公司赞助的服装，并使用Twitter等社交媒体为商家做推广。

　　他们自称“广告牌家庭”，承诺要走遍美国，为愿意赞助他们的公司做宣传。

　　在上传至YouTube视频分享网站的一段视频中，这一家四口自我介绍称他们是父亲卡尔、妈妈艾米、儿子莱恩和女儿凯特林。

　　此外，视频上还有一张他们将于12月31号出世的孩子的医院扫描照。

　　父亲卡尔解释“自我出售”时说：“我们现在是四口之家(第五口就要出世了)，我们会整天穿着贵公司的衣服，还会拍摄大量的照片和视频。”

　　“我们还会在Facebook, Twitter, Flickr, YouTube以及我们自己的网站上为贵公司推销，那些问我们为什么穿同样衣服的人，我们也不会放过。”

　　“广告牌家庭”配戴公司商标的要价为每天2美元(1.26英镑)。但在除夕夜等特殊日子要价为每天730美元(460英镑)。

　　拥有计算机科学学位的卡尔“希望能过上体面的生活”，在这个念头的启发下，他想到了这个让全家做广告的主意。

　　他还透露“想教育孩子要自力更生，要学会做生意。”

　　他说：“孩子们很小，但是他们一直都在参与。他们也很喜欢受人关注。”

　　这一家人来自密苏里州圣路易斯市，但是他们在自己的网页上言明打算游遍全美国。