There's Gold In Them Thar Hills

During the late 90's I consulted with several canadian junior mining companies that were publicly traded on the Canadian Venture exchange.  One of my job duties was to coordinate press releases regarding exploration/drilling results.  Back then there were limited venues to get the word out to promote interest in the companies, basically a couple of national newswire services, several trade publications specific to mining, and your companies web site.  You had to work hard and spend alot of money to spread the news through a cumbersome process to a fairly limited group of investors. Today the same companies can spend a fraction of their budgets and reach many more potential investors with up to date information through the various social and mobile media options such as completely integrated multi-media programs offered by the newswire services. 
http://www.newswire.ca/en/services.cgi