The journey from 2011 to now has been challenging, exciting and tedious.

For us, a major and exciting milestone.

It is also an exciting and inspiring one.

This should be exciting, not alarming.

This offers hugely exciting opportunities to investors.

Emerging and challenging issues deriving from implementation

It is very powerful. It is very exciting.

Emerging and challenging issues deriving from implementation and necessary

And it's exciting. When you see Nicholas up here talking about his 100 computer, the most passionate exciting thing is here's a genius, but he's got a calling now.

A bit more challenging, right?

Could teach them the more exciting topic of geography.

But it's been very exciting. It's been very happy.

That s exciting news to retailers looking for new markets.

A bit more challenging, right? (Laughter)

Who knows what's going to happen next? Kind of exciting.

This is why this new particle accelerator is so exciting.

The year ahead of us will be an exciting one.

The year ahead will be challenging and rife with uncertainty.

This has been particularly challenging in remote and insecure areas.

But the experts ranking of priorities also revealed some exciting and promising policy options.

But striking the proper balance is challenging.

That will be particularly challenging for Bernanke.

That is an assumption that needs challenging.

There's a bunch of very exciting stuff which we are doing.

I was in Pakistan during one of its more exciting weeks.

The stakes could not be higher or the prospects more exciting.

Some individuals and entities have filed multiple lawsuits challenging their listing.

Some local journalists and civil society groups are challenging the credibility of some of the results, and the CPC is challenging the outcome of the presidential vote at the INEC.

Finally, Japan s external environment today is more challenging.

However, the situation in Cité Soleil remains challenging.

Oh now, missed call, a new call, new girlfriend maybe very exciting.

Once the thought of going to movie theaters was an exciting thing.

Of these three imperatives, sustainability may be the most complex and challenging.

Managing such a large and complex peacekeeping mission was a challenging task.

So using evolution in biology, and in inorganic biology, for me is quite appealing, quite exciting.

When this began, the new medium looked very promising and exciting it also looked somehow exclusive.

And this is a very challenging idea. It's a very challenging idea to mainstream media. It's a very challenging idea to anyone who has invested an enormous amount of time and expertise, and who has a lot of energy invested in the notion that he or she knows better than everyone else.

Two serious problems make reconciliation in Afghanistan particularly challenging.

But success in Cairo might prove even more challenging.

This means that Europe probably faces another challenging year.

The selection of indicators has proven to be challenging.

Women challenging these norms are punished by violent means.

That is an exciting development, though initially it implies a messier historical narrative.

Tired diplomatic postures and ritual incantations are not what these challenging times demand.

In fact, it is a challenging concept for both developed and developing countries.