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The figures include measured-media advertising spending (source: Kantar Media) and unmeasured spending (estimated by Advertising Age). Measured media from WPP's Kantar Media based on spending in 19 media: consumer magazines, Sunday magazines, local magazines, business-to-business magazines, local newspapers, national newspapers, free-standing inserts, broadcast network TV, broadcast spot TV, national syndicated TV, network cable TV, network radio, national spot radio, local radio, Spanish-language media (magazines, newspapers, TV networks), outdoor and internet (display advertising; excludes paid search, video and other forms of internet advertising). Unmeasured spending figures are Ad Age DataCenter estimates including direct marketing, promotion, internet paid search, social media and other forms of spending not included in the 19 measured media. For more information, see the .
Figure for 2013 comes from an earlier Advertising Age article.
According to the source, Sonos's ad spend in 2011 was less than one million U.S. dollars