Orkut were other social networking sites including Myspace and Facebook. Ning was a more direct competitor, as it allowed for the creation of social networks similar to Orkut's "communities". An Orkut user was also able to add videos to their profile from either YouTube or Google Video with the additional option of creating either restricted or unrestricted polls for polling a community of users. There was at one point an option to integrate GTalk with Orkut, enabling chat and file sharing. Similar to Facebook, users could also use a "like" button to share interests with friends. Users could also change their
VK 30 series However, it slowly grew in weight and Henschel redubbed it the VK 36. On May 26 1941, Hitler ordered the production of prototypes for a new heavy tank, resulting in the VK 45 project, and later the VK 45H Tiger I. The VK 45P or Porsche-Tiger, was later turned into the Ferdinand tank destroyer and used at the Battle of Kursk. On 13 May 1942, the entries for the medium tank were submitted to the Panzer branch of the Waffenamt Prüfwesen (Wa Prüf 6). These included the MAN and DB models. DB presented an entry very similar to the T-34,