Longish article, summary:

- Restaurateur tests both Groupon / Living social

- Groupon only phone solicitations, unresolved issues after a month vs. LivingSocial took time for in-person rep visit, excellent merchant service.

- Groupon at 50/50 split, LivingSocial 60/40 in merchant favor

- LivingSocial charges no CC fees, Groupon charges 2.5%

- Non-scientific "LivingSocial customers [have] a little more IQ it seems [than Groupon]."

- Merchant concludes LivingSocial taking more of a Zappos approach to stand out, and is succeeding.