Cost of mobile phones can place a large dent into a family budget especially when multiple mobile phones are in use.  The problem is that mobile phones are still too new to know the long-term effects on humans.  While the reverse cell phone search is a useful tool both for socializing and for conducting business, too many employees using these devices might sometimes seem more like an enemy than a friend — making them feel chained to the office.  In its statement, the CDRH stated, "The available science does not allow us to conclude that mobile phones are absolutely safe, or that they are unsafe."