We are able to advertise our office via social media sites with ease! It is also very easy (and sometimes free) advertising through Facebook groups/pages we belong too like "Dentist Associations". The only con I can think of so far would be how much more difficult it may make posting ads if you have multiple offices or dentists within your group etc.. but this isn't really an issue since there's nothing wrong wtih using just one page at all times anyways - which makes sense because most people will want their dentist listed under 1 area anyway unless they're visiting from out-of town whereupon then yes its helpful having different pages available depending upon what state someone might come into contact wiht us :) Just use Google Adwords / Bing Ads & other PPC programs as well along side these methods!!