If you want to know why Twitter is focusing on TV, these numbers will tell you By Eliza Kern Jul. 25, 2013 - 1:55 PM PDT Jul. 25, 2013 - 1:55 PM PDT A A Even as cord-cutting becomes a big business, Twitter is doubling down on TV: The company formally launched its TV ad targeting this week. So why does Twitter care so much about TV? New numbers from Nielsen show there’s still huge money in TV ads — 59 percent of total media spend.