How to use social media is still a mystery for some brands, especially luxury brands. As one recent study reveals, one in five luxury brands on Facebook still don’t allow their fans to comment on their Wall.

That’s all scheduled to change this August when Facebook says it will require branded FB pages to allow comments, a move the site has already promoted to pharma brands — a change that could help the social network better engage users, especially as its growth rate has slowed for the second straight month.

L2 recently studied 100 luxury brands on Facebook in such categories as beauty, auto, fashion, spirits and Champagne, and jewelry. Companies that asked for fans to comment ranked higher on an engagement scale than the ones that didn’t encourage such behavior, the study found.Continue reading...

• China's new drink: Glengoyne, Glenfiddich, Macallan and other single-malt Scotch brands

• Audi is bringing more models to China.

• Burberry's largest group of consumers in the UK? Chinese tourists on holiday

• Chanel brings "Culture Chanel" exhibition to Shanghai Museum of Contemporary Art

• Changan, a Chinese auto brand, unveils new logo

• Prada's Car Shoe brand opens first store in Hong KongContinue reading...

Allianz launches biggest global ad campaign to date.

Apple shares hit all-time high but lower than expected iPad sales disappoints investors.

Bank of America reports wider losses.

Boeing pares employee health plan, citing so-called ObamaCare U.S. health legislation. 

British Airways CEO calls for travel industry reform.

Chevron PR efforts get punked.

Disney takes over distribution rights to Marvel movies.Continue reading...

GM backs out of Opel deal with Magna International. [WSJ]

Toyota considers evolving the Prius into a family of vehiches. [MediaPost]

Renault SA revives the legendary Gordine brand. [WSJ]

Chinese environmentalist Su Wei calls Hummer a "garbage brand." [Newsweek]

Kraft defends its Cadbury bid, generates $9 billion in financing. [Times of London]

China approves Disney theme park for Shanghai. [NY Times]

Marks & Spencer to sell branded grocery products. [WSJ]

Tool manufacturers Black & Decker and Stanley Works to merge. [WaPo]

(More headlines: Twinings, Adidas, Glenfiddich in China.)Continue reading...