一张手机SIM卡,7个月25万元的天价上网费,听上去有点儿天方夜谭。2011年11月,“80后”农民张艳胜在一建筑工地安装某设备时,发现驾驶室的操作手柄下有一张手机卡。张艳胜就“捡”回了家。没想到用这张卡还真能上网。于是,他就用它上网看电影、聊天。他原本以为没钱了自然会停掉的,没想到这一用就是7个月,直到警方来了,还带来了一张25万元的天价账单。现在用手机上网已经很普遍了,而包括中国移动在内的GPRS数据流量资费奉行500元封顶的原则。那么,为什么这张卡不会欠费停机?即便不停机,如果按封顶500元来 A cell phone SIM card, 7 months 250,000 yuan price Internet access fees, sounds a bit fantasy. In November 2011, when a farmer named Zhang Yan-sheng installed a piece of equipment at a construction site, he found a mobile phone card under the operating handle of the cab. Zhang Yan wins “pick up ” back home. I did not expect this card can really use the Internet. So, he used it to watch movies and chat. He originally thought that no money will naturally stop, did not expect this use is 7 months, until the police came, but also brought a 250,000 yuan sky-high bills. Now using the mobile Internet has been very common, and including China Mobile, GPRS data traffic tariffs adhere to the principle of 500 yuan cap. So, why this card will not arrears downtime? Even if you do not stop, if you press the cap 500