Guest post by Ekaterina Walter, a social media strategist at Intel. She was recently elected to serve on the Board of Directors of Word of Mouth Marketing Association (WOMMA). Follow her on Twitter With the growth of social media and all the two-way channels of communication open to organizations, brand identity is potentially stronger but more at-risk than ever. Losing control of your brand’s ‘voice’ can be hugely damaging. And companies who have been brand-jacked, that is, had their brand…