Pay-Per-Click (PPC), or Paid Search, accounts for roughly 50 percent of all digital advertising spending these days. But believe it or not, many companies have failed to invest, leaving tons of PPC potential on the table. What’s holding them back, too much already invested in organic search? Afraid of myths about click fraud? Over-saturated market? Whatever your reason, shove it in a bag and bury it under your tool shed. Here are five reasons why you should invest in PPC.