Email Evolution: Web-based Email Shows Signs of Decline in the U.S. While Mobile Email Usage on the Rise
Growing Number of Communication Channels Prompts Shift in Consumers' Email Behavior — comScore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world, today released results …
Context & Ripple Effects
The question of whether social networks were cannibalizing email has been open since ReadWriteWeb reported in September 2009 that Facebook was eating away at email usage. With this release, comScore moves that argument from anecdote to panel measurement: U.S. web-based email shows signs of decline while mobile email usage rises, which comScore attributes to consumers spreading their communications across a growing number of channels.
For comScore itself, the finding cuts both ways — it validates the firm's multi-channel measurement pitch to advertisers, but it also signals that the desktop-web audience panels it built its business on capture less of where engagement is heading.
First-order effects
- Webmail providers lose desktop page views and ad impressions on their free-email properties, the traffic that historically anchored display monetization around the inbox.
- Mobile email emerges as the compensating growth surface, forcing providers to prioritize smartphone clients over browser-based interfaces.
Second-order effects
- Advertisers following eyeballs shift budget toward mobile placements, pressuring webmail operators to rebuild targeting around app usage rather than site sessions.
- Social platforms positioned as alternative communication channels gain further evidence to pitch brands on messaging-adjacent ad products that sit outside the traditional inbox.
Third-order effects
- If the pattern holds, email stops being the default hub of personal communication and becomes one channel among several — splitting user attention and ad dollars across social networks, SMS-style messaging, and the inbox.
- Audience-measurement firms face structural pressure to measure engagement across devices and apps, since desktop-centric panels increasingly undercount total digital activity.
The trend: Consumer communication is migrating off the desktop web toward mobile and social channels, fragmenting the inbox's long-standing role as the internet's primary messaging hub.