According to paragraph 4, why did Teevan build tools that sort Internet search results according to a user’s personal information/browsing data? The other search engines were too slow to process the results The other search engines brought up information that had been searched before so they were not relevant The other search engines used a blanket approach that did not consider differences in the users

the illustration   that would give a reader a clear understanding of the text is a picture of men constructing the frame of a building.the frame is made of iron bars. the text describes the job of blacksmiths'. these were very organised and they had different names: "the driver" and "the heater". the text describes the way in which these men worked ; they worked iron pieces as if they were playing a sport. in fact, the text wants to show the men's skills. the text also puts some emphasis on the use of '' rivets'' in construction. this kind of nails were not always used in the construction of manhattan.

some examples:

"and with an underhand toss he hurled the smoking rivet straight at the catcher, who caught it in mid-air in his catching can." men's skills

"when the driver was ready for a new " the emphasis on the rivet ( special nail used in construction).

" it against a beam to remove any cinders, and jammed it into the waiting hole. " the emphasis on the rivet.

eager to consume a lot of food? insatiable appetite?

explanation:

the answer is b to the question