"(It's) not clear so far whether Apple's new textbooks will be open formats (ePub etc.) or only in Apple format, " Mathew Ingram, a senior writer for the blog GigaOm, posted on Twitter after the event.
So far so clear, but what's far from obvious is whether this is merely the sort of mid- term punishment from which both Mr Blair's and Mrs Thatcher's governments recovered easily.
So far, so clear: Mr Obama may attack if we proceed towards nuclear weapons.
But its clear lack of results so far at least illustrate some of the undercurrents that may have done him in.
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Captain Jamie Dalrymple was clearly disappointed that his Glamorgan team failed to achieve promotion despite being so far clear at one stage during the season.
So far it is clear that the upturn in investment which Mr Greenspan is so eager to see has yet to take place.
Large pharmaceutical companies such as Pfizer and Merck have so far steered clear of stem cell therapy.
Meanwhile, in the Irish Republic, which so far appears clear of foot-and-mouth, further emergency disease prevention legislation came into effect on Friday.
While in the womb, foetuses are free to somersault in their amniotic sacs, and this constant movement has so far hindered clear images of growing brains.
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Because the underlying biology is so clear, it is far more likely that the PCSK9 inhibitor Sanofi is developing with partner Regeneron will prove helpful to heart patients.
And how far can you push that diversity, and it's very clear that you can only push it so far, and that there will be limits.
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Eight survivors have been pulled clear and around 40 bodies have so far been recovered.
While it is obvious that no one approach GUARANTEES entrepreneurial success, it is clear from everything we have learned so far, that there is a PROVEN path that increases your odds.
Some grain analysts say U.S. farmers need to plant an additional eight million acres this year to bring supplies back to more comfortable levels, but it is far from clear where so much land would come from.
Businessman With Idea Light Bulb As we have seen, there is no one approach guarantees entrepreneurial success, but it is clear from everything we have learned so far, that there is a proven path that increases your odds.
While it's a prototype that could easily change between now and the Wii U's holiday release (or whenever the app is available), what we've seen so far makes it clear Netflix will milk that second screen for all it's worth.
"It may not have been to the original owner's taste but judging from the interest that has been shown so far it is clear there are a number of collectors who are very impressed by this remarkable piece by one of Scotland's most celebrated artists, " he said.
So far it is not clear which Western retailers the factory in question supplies.
Whether voters are willing to look quite so far ahead will not be clear until election day.
Regulators may yet hamper Yahoo's grand plans, but so far they've kept clear.
From the information given so far, it is not clear how many barrels of oil are expected to be produced.
So far, we have made clear that the potential for surprise will likely increase as internal corporate social networking expands and starts to put activity streams to work.
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The Senate Finance Committee, which is widely expected to clear health care reform legislation this week, has so far rejected a public health care insurance option.
The Russian had won all major titles since the 2004 Athens Olympic Games, but she has been out of form so far this season and failed to clear her final height of 4.80 meters.
So far, Mr Berlusconi has enjoyed clear parliamentary support for his policy, but that partly reflects the fact that the Italian left remains in a state of confusion following the elections which brought Mr Berlusconi to power last year.
What is clear though is that the scale of the Russian effort so far is insufficient to change the balance of forces on the ground.
The Co-Operative Group said 59 of its 102 own-brand minced beef products have been tested so far, with all found to be clear of horsemeat.
Though it has cushioned the effects of Serbia's blockade, this aid has not so far been effective enough to convince a clear majority of Montenegrins that their interests are served by pro-western policies.
But it's clear the compromising attitude from the White House will extend only so far.
Now, so far, and no one's quite clear why, it hasn't been as bad as we thought it would be.
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