According to AP:
"The U.S. government is temporarily barring passengers on certain flights originating in eight other countries from bringing laptops, iPads, cameras and most other electronics in carry-on luggage starting Tuesday....
"A U.S. official told The Associated Press the ban will apply to nonstop flights to the U.S. from 10 international airports serving the cities of Cairo in Egypt; Amman in Jordan; Kuwait City in Kuwait; Casablanca in Morocco; Doha in Qatar; Riyadh and Jeddah in Saudi Arabia; Istanbul in Turkey; and Abu Dhabi and Dubai in the United Arab Emirates. The ban was indefinite
[my bold], said the official.
"A second U.S. official said the ban will affect nine airlines in total, and the Transportation Security Administration will inform the affected airlines at 3 a.m. Eastern time Tuesday."
Thus, although the government is "temporarily" barring electronics, the ban is "indefinite."
Also, "Another aviation-security expert, professor Jeffrey Price of Metropolitan State University of Denver, said there were disadvantages to having everyone put their electronics in checked baggage. Thefts from baggage would skyrocket, as when Britain tried a similar ban in 2006, he said, and some laptops have batteries that can catch fire — an event easier to detect in the cabin than in the cargo hold."
Source: http://www.apnews.com/8cd639cf27584645a ... nd-flights