Why don't people or firms want to be known as SEO specialists anymore?

Why don’t people want to use “SEO” any more?

You may have noticed a number of organisations and individuals starting to drop the use of SEO in their titles and marketing. One of the highest profile names to do this was SEOMoz which has now simply become Moz. Even I have started to morph from SEO specialist to SEO and Online Marketing Specialist. What is going on?