Our online social networks are a key source of information and increasingly influence what we read, share and buy. However, if we do not filter out the mundane we risk missing the information that is most important to us and becoming a victim of information overload.

It occurred to me the other day that I have too many friends.  By this, I don’t mean the family, friends and colleagues I socialise with throughout the week and, you know, actually spend my leisure time with face to face. More, the numerous people sitting on my Facebook account I haven’t spoken to for nigh-on five years, (the occasional shallow digital platitude aside), but who seem intent on breathlessly updating their minute movements on the notice board whenever I (increasingly infrequently) log-in. Back in 2006 when the Facebook really took off, there was something ego-boostingly satisfying about racing to my first 100 friends, but now I find it a little tiring. Do I really need them all?

Social media campaigns via popular sites like Facebook may be able to get ‘Rage Against The Machine’ to Number One in the music charts but they will have little influence on the outcome of the 2010 UK general election. In contrast, the televised election debates will prove a powerful platform for the three main political parties.

GfK NOP Technology research conducted online (so we would also expect a skew towards online sources) shows that TV debates have the most influence on how we vote as a nation. Despite the fieldwork for our survey being conducted after only the first of three televised debates on 16 April, they are still the number one source of information for the election on 6 May.

As an example of this contrast, official viewing figures suggest that around 8.4m viewers watched the third debate, vs. 3.2 m UK visitors to the BBC news website (with 350,000 streaming the debates online).