(Telecompaper) Twitter's fourth-quarter revenues soared 97 percent from the year before to USD 479 million. Advertising revenue lifted 97 percent to USD 432 million, with mobile advertising revenue making up 80 percent of the total. Data licensing and other revenue advanced 105 percent to USD 47 million while international revenue totalled USD 164 million, up 149 percent. The company recorded record quarterly profit on an adjusted EBITDA basis, reaching USD 141.5 million from 44.8 million. The net loss meanwhile narrowed to USD 125.4 million from a net loss the year earlier of 511.5 million. CEO Dick Costolo expects the absolute number of net users added in the first quarter to be at similar levels as those seen during the first three quarters of 2014. This follows a loss of 4 million monthly users in Q4 due to changes in third-party integrations. Twitter's active monthly users will still up 20 percent year-on-year to 288 million, of which around 80 percent were on mobile platforms. For the first quarter, the company is guiding for revenues of USD 440-450 million and adjusted EBITDA of USD 89-94 million.