According to IABUK/PwC, internet advertising grew 14.4% like-for-like in 2011 to £4.8 billion, overtaking press to become the single largest advertising medium

Search was again the main growth driver, surging 17.5% to £2.7 billion last year, while display rose 13.4% and classifieds increased just 5.2% on the weak economy

We now forecast internet advertising will increase 14% in 2012 and 12% in 2013, taking spend to £6.1 billion or 36% of UK advertising, up from 30% in 2011

Google+, the social network, has around 100 million users worldwide, although user growth appears to have stalled and usage is low on weak network effects

Facebook users, now 70% of the adult internet audience (excluding China), have no incentive to switch to Google+, starving the social network of vital momentum

Facebook is likely to dominate socially enhanced search, unless Google+ takes off, which seems unlikely

Three drivers are increasing UK internet consumption: a growing number of older PC internet users; digital natives, especially younger people with high incomes, spending more time online; and rising adoption of the mobile internet

Despite rapid mobile user growth, internet usage remains a PC-centric experience as time spent on mobile is constrained by screen size, ‘on the go’ use and data pricing. These factors are less likely to inhibit tablet use

Everyone uses the internet as a retail, communications and information service and traffic is growing as older users come online. But under-35s are increasingly using the internet as an entertainment destination as well, sharing video content on social networks and driving a huge increase in time spent on YouTube

Facebook’s IPO prospectus confirms that the social network is an internet colossus, with 845 million users worldwide and $3.7 billion in revenue in 2011

Growth potential in display advertising, which accounts for the majority of revenue, seems limited with increasing mobile substitution in major ad markets and future user expansion largely in lower yielding countries

There is significant potential to increase income from payments and other businesses beyond social games, but the company’s strategy is unknown at this point

Google’s UK revenue grew 23% to £676 million in Q4 2011, taking 2011 revenue to £2,525 million, up 20% year-on-year, 2 ppts below our November estimate

Globally, gross revenue rose 25% year-on-year, with mobile and display performing strongly, but rising costs pulled net revenue growth down to 8%

Our growth forecasts for Google’s UK revenue remain unchanged; we expect UK internet ad spend to rise from £4.7 billion last year to £5.8 billion by 2013, representing 35% of total advertising, as print continues to fall

Facebook Messaging adds email, IM and SMS to Facebook messages. Some portion of the social network’s 600+ million users will switch to Facebook for an all in one text-based communications service

Switchers to Facebook Messaging in the US will reduce the display ad revenues of traditional portals, like Yahoo! and Microsoft, which use such tools to drive traffic

Less affected is Google. Some Gmail users will switch, but Google’s core business model is selling search advertising, where it is not challenged by Facebook (yet)

Microsoft’s new Windows Phone 7 operating system is launching with a big bang: ten handsets, eighteen operators, and a massive marketing campaign

The OS itself is positioned firmly in between iPhone and Android in terms of ease-of-use and customisability; it is as fast as the best-in-class but no faster; and its interface is bold but will not be to everybody’s taste

A lack of apps, limited distribution, and expensive handsets will likely limit sales in the short term. Longer term, being late in the game with no truly compelling unique feature will make building a major position very challenging, but not impossible

We forecast UK online advertising to grow by 8% CAGR to £5.1 billion by 2014, representing approx. 33% of total advertising spend, overtaking press

Search is the main growth engine, which we predict will reach £3.1 billion in 2014, due to its appeal and value to advertisers as a sales and lead generation tool

Growth in spend on social media and video networks will push online display to just over £1 billion by 2014; whilst classifieds will grow to £840 million

Facebook CEO Mark Zuckerberg has set out a vision of the social network as the hub of a personalised internet based on real identities and connections – the so called ‘Social Graph’, with Facebook providing the infrastructure

Simplified tools for apps and new social plug-ins for third party sites will increase Facebook’s influence both on and off the core platform, but raise some privacy concerns

These initiatives should help to drive Facebook’s user growth and engagement and ultimately improve monetisation, which we estimate on a per user basis is now more than half that of Microsoft’s online properties

Internet advertising rose 4.2% YoY in 2009 on a like-for-like basis in the UK, according to IABUK/PwC, due to growth in search, with classified and display down; however, previously unreported spend, including Facebook, pushed the total to £3.54 billion

Last year, for the first time, Google accounted for over half of spend (versus one third in the US) and 12% of UK ad revenue, a market presence that is significantly larger than in the US

Including Facebook, now No.1 for display, and increased spend on search, our 2010 growth forecast is 11%, pushing total spend to £3.82 billion or 25% of UK advertising