Mark Bridge writes:

In recent weeks there’s been a lot of talk about the partnership between Nokia and Microsoft. But taking a look at today’s Form 20-F - the annual report that Nokia is filing with the US Securities and Exchange Commission - provides a valuable reminder that nothing’s set in stone.

Rovio, the Finnish company that created the Angry Birds series of games, has acquired a $42 million investment. The funding round was led by venture capital firms Accel Partners and Atomico Ventures with participation from the Felicis Ventures fund as well.

As part of the deal, Niklas Zennström of Atomico Ventures - the man who co-founded Skype, Kazaa and Rdio - will be joining the board of Rovio.

A new research report from Berg Insight has calculated that worldwide shipments of smartphones increased 74% last year to 295 million units. The number of smartphone users increased by 38% year-on-year to an estimated 470 million people.

Shipment volumes are expected to continue increasing at a compound annual growth rate of 32.4%, reaching 1.2 billion units in 2015.

A number of blogs on the World of Difference programme - a charity-focussed initiative from The Vodafone Foundation - were taken over today by protesters from the UK Uncut action group. UK Uncut claims Vodafone has taken advantage of what it describes as "a £6 billion tax dodge".

The site has since been restored.

This year, 49.6% of all in-car navigation device sales are expected to be smartphone solutions. That’s up from 40.6% in 2010 and 23.4% in 2009, according to IHS iSuppli research.

2012 will see unit sales for smartphone navigation take more than 50% of the automotive navigation market.