indisputable (unquestionable)
"Indisputable." (page 15)

garnered (acquired)
"Yet when the popular Silicon Valley blog TechCrunch posted recently that Facebook was about to end the limit, the item garnered a lot of attention, and even some excitement." (page 15)

evoked (raised)
"But the episode evoked a lot of questions about the nature of "friendship" when it comes to sites like Facebook and MySpace." (page 15)

explicit (fully expressed)
"While Facebook doesn't want to dictate rules of friending behavior to its users, the company is explicit in stating that the purpose of maintaining a list is not to see whose friend belt has the most notches." (page 15)

meager (scant, thin)
"But some of those who have reached that number insist that it's too meager." (page 15)

implications (possible significance)
"But such online linking does have deep social implications, and as one's friend list grows, so do some problems." (page 15)

inevitably (impossible to avoid)
"Inevitably, human noise finds its way into a collection of friends, because people tend to cave in and agree to friendship when asked by someone they barely know, or in some cases don't know at all." (page 15)

distinctions (divisions)
"And making those distinctions is easier said than done." (page 15)