Sony Walkman Sales Surpass iPod Sales In Japan | TechCrunch
Walkman to iPod - THE WAVES
Amazon.com: MP3 & MP4 Player Case for SOULCKER/G.G.Martinsen/Grtdhx/iPod Nano/Sandisk Music Player/Sony NW-A45 /B Walkman and Other Music Players with Bluetooth. Fit for Earbuds, USB Cable, Memory Card : Electronics
From Walkman to iPod: What Music Tech Teaches Us About Innovation - The Atlantic
Walkman vs. iPod / Sony takes aim at Apple with new music players
1円~SONY Apple iPodその他ウォークマン デジタルオーディオプレーヤー まとめ売り(本体)|売買されたオークション情報、yahooの商品情報をアーカイブ公開 - オークファン(aucfan.com)
幕を閉じるiPod、残ったウォークマン。それぞれの違いと行く末 - PHILE WEB
Sony Walkman E-Series NWZ-E443 Review: This Sony MP3 player is not as polished as the iPod Nano, but it's cheaper - Brand Centre - MP3 & Portable Media Players - PC World