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
Cirrus VK-30 company estimated that there were 13 customer VK-30s completed. As of 11 February 2018, four were still registered with the Federal Aviation Administration in the USA, although at one time a total of 12 had been registered. The VK-30 was the predecessor of the Cirrus ST50, which had an almost-identical configuration to the VK-30, but included a larger ventral fin on the tail of the aircrft, a slightly larger fuselage, and a was powered by a Pratt & Whitney Canada PT6-135 turboprop engine in place of the piston engine used in the VK-30. Cirrus designed and initially developed the aircraft