But Kathy Scanlan, deputy director of museum services, cautions that E.M.P. is not about technology for technology's sake.
Alex Blum, America Online's vice president for broadband services, cautions that Winamp television is an advanced tool for technically minded enthusiasts.
In 2011, the Russian security service cautioned the F.B.I., and later the C.I.A., that "since 2010" Mr. Tsarnaev had "changed drastically," becoming "a follower of radical Islam".
Jimmy Lai, a newspaper publisher who challenged Mr. Li's supermarket chain with a home-delivery service, cautioned that new laws would allow the government to pick winners and losers.
Challenges: "There are so many programs out there that if yours isn't special, it's not going to do its job, which is to create loyalty to your product or service," cautions Turrell.
This week's storms are the first of the fall rains in Southern California, meaning that the roads could be slicker and the runoff worse than other times, the weather service cautioned. . . .
But Iran's highly compartmentalized security services, analysts caution, may operate in semi-rogue fashion, following goals that seem irrational to planners in Washington.
The key to the transition to pay service was caution, she said.
Not that the situation was rosy under New Labour, even with money pouring into services, Lee cautions.
But even in Japan, where wireless phones are much more popular than in the United States, consumers seem to be approaching the pricey service with caution.
