. >> that was ross devol. now it's time for the bwest byte .e you outdoors. >> 150, the number of lights university of cambridge researchers need to know you better than one of your family numbers. >> 150 facebook likes -- >> they process that, and they could beat your family members. >> i'm that revealing. >> exactly. to beat your coworkers, it's 10. they like openness or extroverted nest, they can kind of assess whether you were an extrovert better than your coworker could based on what you like on facebook. >> i would think my coworkers like me better. [laughter] it's fascinating, it shows you how marketing is better. maybe they don't targeted that will. if they have all that information, you would think the ads would be more tailored. >> they are getting better. >> thanks for coming out with the bwest byte. you can always get the latest headlines on your phone, tablet, bloomberg.com, bloomberg radio. there's more "bloomberg west," tomorrow. ♪ >> from bloomberg world headquarters in new york, i'm mark crumpton. this is "bottom line." to our