1442
On the horizon is Microsoft , which has also recently entered the market for personal video recorders with its own system , called Ultimate TV .
 Microsoft , which has also recently entered the market for personal video recorders with its own system , called Ultimate TV, which, its
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 Microsoft , which has also recently entered the market for personal video recorders with its own system , called Ultimate TV, which, its