the.com/cellphones
Pocket-sized portals to everywhere, mostly used to avoid the people nearby.
means Portable wireless phones that connect through a network of overlapping coverage zones called cells.
from Named for the cell, the geographic zone each tower covers; pass between zones and your call hands off seamlessly, like a relay race you never see.
First callMade in 1973 on a two-pound brick.
Cell logicHexagonal zones reuse frequencies without interference.
Outnumber humansMore active phones than people on Earth.
Original costThat brick sold for nearly 4000 dollars.