The following has been adapted from the Vault Career Guide to the Internet and Social Media.
Your resume and cover letter are your primary marketing tools to help you get hired. These documents—along with your educational achievements, professional skills and experience, and interviewing skills—will determine whether you land an interview or not. Cover letters should highlight your accomplishments and tell a company what you can do for it (e.g., how you can save the company time or money or otherwise improve its bottom line). Although cover letter and resume basics may be the same from industry to industry, your goal is to create the perfect cover letter and resume to land you a job in the Internet and social media industry. Many tech industry job applicants submit their resumes electronically, which suggests that the cover letter is no longer important. This is untrue. Many people still submit electronic cover letters. Others use their email text as a cover letter, applying all the rules of the genre to the email format.
Here is a cover letter in response to an imagined ad for an entry-level job with Google:
And here is a sample cover letter in response to an imagined ad for an experienced-level position with a tech firm:
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