their social circle would use

its targeted advertising. However, that affinity may soon blossom into a full-fledged love affair. The social network's Ken Rudin tells the Wall Street Journal that his company is testing a system which targets ads based on where users' mouse cursors hover; it can also tell whether or not mobile users see their news feeds. Neither tracking technology is new, but the scale of behavioral data collection would be unprecedented when Facebook has almost 1.2 billion users. Don't be too hen the state Supreme Court hermes kelly 22cmallowed Marin County to continue enforcing its restrictions at checkout counters in unincorporated areas.High quality global journalism requires investment. Please share this article with others using the link below, do not cut & paste the article. See our Ts&Cs and Copyright Policy for more detail. Email ftsales.support@ft.com to buy additional rights. eted at the laptop-carrying on-the-move worker. Made in taurillon (bull) leather, it is a copy of a case that

Vuitton invented in 1934 for car travellers to carry python birkin bagblankets. The new “For Day” range of bags at Hermès also includes a taurillon bag, the Double Sens, which comes in seven reversible versions (£2,200). Then there are new brands. Foremost among these are Troubadour and J Panther, both started by friends looking to make a product they and their social circle would use. J Panther Luggage Company (to give it its full title) is based in New York and draws on American traditions to make functional bags (from $390) in heavy-duty canvas and leather tanned by the Horween tannery in Chicago. Troubadour was started by two financiers in London who quit the City to make a bag “that The justices unanimously denied review of an appellate ruling upholding the Marin ordinance, which since January 2012 has prohibited single-use plastic bags and required a 5-cent fee for a paper bag.

Similar measures have been adopted by about 50 Hermes birkin pythoncities and counties in California, including San Francisco and Alameda County. The ordinances are aimed at reducing waste and water pollution from discarded plastic bags. Makers of the bags argue that the bans cause more environmental problems than they solve because paper bags take more energy to produce, leading to an increase in greenhouse gases, and also occupy more space in landfills. quick to close your account in protest, though. Rudin notes that there won't be a decision on the technology for another "couple of months," and it may never see the light of day. If you don't like the idea of Facebook