https://www.webmasterview.com/2011/05/ex-facebook-engineer-launches-thrusocial-for-small-businesses/ Groupon’s multi-billion dollar success rests on a model that might well be unsustainable in the long term, but a former Facebook engineer hopes to change all that. Sun, 24 May 2026 11:35:30 +0000 hourly 1 http://media.webmasterview.com/logo/icon.png https://www.webmasterview.com/2011/05/ex-facebook-engineer-launches-thrusocial-for-small-businesses/ 50 50 Groupon’s multi-billion dollar success rests on a model that might well be unsustainable in the long term, but a former Facebook engineer hopes to change all that.