Google said it has no plans to continue the Nexus line and that broke many fanboy hearts. Yes, the search giant will go forward with the Pixel line but it's not the same. Here's the thing - a Nexus is an Android phone, a Pixel is a Google phone. Android is the dominating OS, developed by Google itself, phone manufacturers and even part-time volunteers. And yes, it's closely associated and often tied to Google services. But it doesn't have to be - you can use WhatsApp or Telegram instead of Allo, Bing or DuckDuckGo instead of Search, F-Droid or Amazon's Store instead of Play Store, HERE...
Source: http://www.gsmarena.com/weekly_poll_google_killed_the_nexus_line__will_you_miss_it-news-20936.php