Travel Brand Index conducted by an independent market research firm. In December 2014, the firm was bought by Bravofly Rumbo for £76 million, a fraction of the £600 million Sabre had paid for it in 2005. 2015–2018 In 2015, Bravofly Rumbo Group (SIX: BRG), changed its corporate name to lastminute.com over the course of the year. The change of the corporate name reflected the new brand strategy of the group, following the acquisition of lastminute.com. While the existing digital brands Bravofly, Volagratis, Rumbo and Jetcost continued to target online growth, lastminute.com will now became the core brand supported by increased marketing investments. An advertising campaign, with more than double the investment versus 2014, was launched early June and ran across three key markets – UK, France and Italy – representing 65% of revenues of the group at that time. In September 2016, the lastminute.com group, acquired WAYN, Where Are You Now?’ to implement a content factory within the Group and differentiate lastminute.com positioning against other online travel players. WAYN, the world's largest social travel network, has been integrated with lastminute.com group's new media business and aims to boost the ability to engage a young and captive audience with the addition of WAYN’S 20 million registered members and 2 million monthly unique visitors. In November 2017, lastminute.com group announced the acquisition of hotelscan to diversify its metasearch value proposition. Founded in 2012, hotelscan has created a search engine for Hotels, Bed & Breakfasts, Hostels, Apartments and other types of accommodations, Its daily updated database has around 1.3 million properties, with data from over 100 online booking websites, provides travelers with relevant content to find room availability. In December 2017, lastminute.com group decided to scale up its positioning in Germany and bought Comvel GmbH, founded 2004 in Munich, which operates the travel website weg.de, one of Germany's best-known online travel sites which had been a wholly owned subsidiary of ProSiebenSat.1 Group since January 2014. weg.de offers its customers the entire range of travel options, with its primary focus on package holidays and all-inclusive vacations. Criticism In 2009, lastminute.com attracted much criticism on consumer sites and blogs regarding their association with highstreetmax.com, a brand owned by Adaptive Affinity, in turn owned by US corporation Vertrue. The company was accused of subjecting customers to negative option selling, whereby if they click or do not untick a certain box they find later that they were