Some data to consider:
Advantages: Used mainly for projects destined to the video or television broadcasting. Disadvantages: Less coherent for other projects as a personal or commercial website.
Something of history:
The domain was created in October of 1998. This domain was created for the geographic representation of Tuvalu, old Ellice islands (in Polynesia). Because the domain agrees with the word television, its popularity has been in the last growing years thanks to mass media. At present they do not exist requisite specific to register it.