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TellApart

The business, the turning points, and the decisions behind them.

Founded2009
Event year2015
Some sections are still being researched2 / 4

Sections to complete:02 · 05

01 / WHAT IT BUILT

What the company did

TellApart was a Burlingame ad-tech company founded in 2009 by Josh McFarland and ex-Google engineers. It specialized in cross-device retargeting for retailers and e-commerce advertisers — dynamic product ads and email marketing that followed consumers from mobile browsing to desktop purchase, with targeting and attribution across devices.

02 / FAILURE REASONS

Pending assessment

Material for this section is being gathered and checked. It will appear here once ready.

03 / EVENT HISTORY

Events in the structured record

  1. Founded

    TellApart is founded in Burlingame to build retargeting technology for retailers and e-commerce advertisers.

  2. Acquired by Twitter

    On April 28, 2015, Twitter acquires TellApart for $532.6 million in stock to strengthen its direct-response advertising business.

  3. Product wound down

    Twitter calls the TellApart desktop retargeting platform a 'headwind' it no longer plans to invest in, and winds the product down to zero.

04 / CONTEMPORARY REBUILD ASSESSMENT

Difficulty of rebuilding this project today

Material for this section is being gathered and checked. It will appear here once ready.

Rebuild difficultyPending assessmentNot completed
Scoring basisNot completed
ScalabilityPending assessmentNot completed
Scoring basisNot completed

Overall assessment: Not completed

05 / CAUSAL CHAIN / AFTERMATH

Pending assessment

Material for this section is being gathered and checked. It will appear here once ready.