Lumen, also known as Lumen Research, is a privately owned company headquartered in the United Kingdom. Founded in 2013, the company employs approximately 60 individuals. It specializes in ad measurement and verification. Functioning as an attention technology company, Lumen utilizes eye tracking to optimise media buying and creative development processes.
On July 27, 2026, InMobi Advertising announced FRAME Attention, a certified high-attention media product available across mobile in-app video and Connected TV (CTV), validated by Lumen Research. The product aims to address limitations in traditional digital video buying by allowing advertisers to base campaigns on attention rather than viewability. Previously, on July 26, 2026, Lumen Research, in partnership with Mail Metro Media and Havas Media Network UK, released a study indicating that digital environments with lower ad loads drive greater attention, enhancing brand recall and purchase intent. This announcement followed InMobi Advertising's launch of FRAME Attention on July 24, 2026, a media product also validated by Lumen Research, which promises a minimum floor of 8000 Attention Per Mille (APM) and reportedly delivers 3.5 times more attentive seconds than comparable YouTube video ads.
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