Core Insights - Roku's platform revenue increased by 18% year-over-year to a record $1.22 billion in Q4 and reached $4.15 billion for the full year 2025, driven by video advertising and streaming distribution [1][2] - The company claims its video advertising growth outpaced the broader over-the-top and digital ad markets in the U.S. last year [1] - Roku is the leading streaming TV platform in the U.S., Canada, and Mexico based on hours streamed, supported by its self-service Ads Manager targeting small- and mid-sized businesses [2] Advertising Market Dynamics - Traditional linear advertising dollars are transitioning to streaming, with Roku capturing a significant share of this market [2] - Small and medium-sized businesses (SMBs) were estimated to spend up to $640 billion on advertising last year, highlighting the market opportunity for Roku [3] - Generative artificial intelligence tools and partnerships, such as with Spaceback, are enhancing the growth of Roku's Ads Manager [3][4] Strategic Partnerships and Technology - Roku is expanding its ad-tech relationships, including a major deal with Amazon Ads to enhance marketing performance and operability [4] - The partnership with Amazon aims to provide the largest authenticated connected TV audience footprint in the U.S. [4] - Roku collaborates with various advertising platforms, including Yahoo DSP, The Trade Desk, AppLovin, Wurl, and Magnite [4]