NEW YORK (

MainStreet

) -- "This changes everything" has become something of an unofficial motto for

Apple

(AAPL) - Get Report

, which has a reputation for creating revolutionary consumer products. And while the jury is still out on the days-old

iBooks 2

platform -- which makes it easier to create iPad-optimized e-textbooks -- the early returns certainly look promising.

According to an analysis by

Global Equities Research

, users downloaded approximately 350,000 e-textbooks in the first three days after the launch of the updated iBooks app. That was joined by 90,000 downloads of iBook Author, software that enables authors and publishers to create e-textbooks for the platform. Global Equities Research Managing Director Trip Chowdhry, who wrote the report, is ready to proclaim the initiative a success based on those early returns.

"If an app is good, downloads start happening immediately and continue," Chowdhry says. "We feel almost certain that Apple's textbook initiative will be very successful."

Of course, the updated app launched less than a week ago and it will be some time before more content is added to the marketplace, so it's too soon to tell whether it will be a long-term success. But analysts are optimistic it will accomplish Apple's goal of getting more iPads in classrooms.

"You're already starting to see them in classrooms with teachers and students, and obviously this is the type of program to jump-start that," says Michael Gartenberg, an analyst at research firm

Gartner

. He adds that the cost hurdle of putting iPads in public schools may be overstated. "If you look at the total cost of educating a student, the cost of a tablet becomes a drop in the bucket."

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