We all know that digital footprint is traceable and possibly left forever. When being hired by a new company whether as an employee or contractor, certain things like name, email, phone number, address, and SSN (for tax forms) will be gathered for sure by the company. With all that information and many background search or reverse people search tools available, how much can the employer find out?
For example, if I sign in to Twitter with my gmail account that the company knows about, will they somehow find my Twitter account with an email address search? Will they find out other information like employment history, age, education, etc that I didn't supply them?
I'd also love to try out any search tools that employers might use to find out how much of my life is on the Internet.