The Pirate Bay was hosted for several years by PRQ, a Sweden-based company, owned by creators of TPB Gottfrid Svartholm and Fredrik Neij. PRQ is said to provide "highly secure, no-questions-asked hosting services to its customers". From May 2011, Serious Tubes Networks started providing network connectivity to The Pirate Bay. On 23 January 2012, The Pirate Bay added the new category "Physibles". These are 3D files described as "data objects that are able (and feasible) to become physical" using a 3D printer. In May 2012, as part of Google's newly inaugurated "Transparency Report", the company reported over 6,000 formal requests to remove Pirate Bay links from the Google Search index; those requests covered over 80,500 URLs, with the five copyright holders having the most requests consisting of: Froytal Services LLC, Bang Bros, Takedown Piracy LLC, Amateur Teen Kingdom, and International Federation of the Phonographic Industry (IFPI). On 10 August 2013, The Pirate Bay announced the release of PirateBrowser, a free web browser used to circumvent internet censorship. The site was the most visited torrent directory on the World Wide Web from 2003 until November 2014, when KickassTorrents had more visitors according to Alexa. On 8 December 2014, Google removed most of the Google Play apps from its app store that have "The Pirate Bay" in the title.