New to the Search Marketing Standard Blog? Subscribe to our blog via our RSS feed and receive updates and tips. Few apps have caused as much of a marketing buzz in the last 12 months as Instagram. Proving that the simplest ideas are usually the best, Instagram is nothing more complex than a photo sharing tool. It incorporates a couple of photo-specific features such as filters to make images appear sharper or brighter, plus a few added extras which can make pics retro cool with sepia-style effects. Since its inception in October 2010, Instagram gathered fans apace, reaching the cool 10 million mark in less than 18 months of operation. Couple this with Facebook’s audacious $1 billion…