A few years ago I worked with the guys at Search Engine Marketing agency Weboptimiser on campaigns for clients such as Jobserve, Nestle and Bourne Leisure.

It wasn’t unusual to do a bit of a tidy up when we were expecting clients to visit, but last week the team must have had their work cut out in preperation for a visit from Gordon Brown.

OK, so he’s not royalty and neither is he the most charismatic leader, but still, the most powerful man in the country.

A great coup for a great company.

And it’s a good thing when the most powerful man in the country takes time to visit a search engine marketing company, something to be celebrated by the whole industry - especially when few people outside of media actually know what it is (see recent research on said matter on blogstorm).

Don’t worry, Gordon hasn’t given up the day job - much as I’m sure he is interested in title tags, URL rewrites and link reworking, he made the visit to the company to discuss the new loan guarantee scheme of which Weboptimiser, as a small business, benefits.

With Jonathan Ross using Twitter and Gordon Brown swotting up on search, it looks as if social media marketing has just gone mainstream.