Tech
The home WiFi setup that fixes 90% of buffering
Most "slow WiFi" is router placement and channel congestion, not ISP throughput. carmannews walks through the four-step diagnostic that fixes the bulk…
Carmannews staff
Kenji Tanaka
Tech Editor
Kenji leads the carmannews tech desk. His reporting focuses on consumer technology that actually ships rather than promises that don’t — phones, home networking, streaming hardware, and the small AI features that quietly improve daily life. Eight years of reviews, with a bias toward repairability and longevity.
Credentials: Former product reviewer at two consumer-tech publications; 8 years on the consumer-electronics beat.
Based in: Tokyo, Japan
12 stories at carmannews
Recent stories
12 stories filed at the carmannews newsroom
Tech
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Streaming consolidation: who survives, merges, or dies
The streaming bundle math is shifting fast. Which services are profitable, which are bleeding, and which look unlikely to exist by 2027.
Tech
Cheap or expensive mechanical keyboard? It’s one part
Mechanical keyboards from $60 to $300 share the same key switches more often than they don't. The differences live in stabilisers, plate…
Tech
The repairability score that belongs on every gadget
iFixit's teardown ratings predict total cost of ownership better than the launch reviews do. carmannews walks through how to factor repairability into…
Tech
Switching cell carriers in 2026: the five-day playbook
Carrier switching has become genuinely painless in most markets, but readers still report friction. carmannews maps the five-day window — port-out request,…
Tech
A smart-home setup that won’t lock you into one ecosystem
Matter and Thread were supposed to fix smart-home lock-in, and they partly have. carmannews walks through a build that uses Matter where…
Tech
Cloud storage in 2026: the real cost of “unlimited”
Several "unlimited" cloud plans now have soft caps, throttling, or hidden file-size limits. Several popular plans turn out not to be what…
Tech
Laptop buying in 2026: what the spec sheets still hide
RAM, storage, and CPU are easy to compare; thermal design, battery cell quality, and screen colour accuracy are not. carmannews lists the…
Tech
Two-factor authentication: which apps are still safe
Several popular 2FA apps have introduced backup-to-cloud features that quietly weaken the threat model. carmannews lists which apps still implement TOTP correctly…
Tech
The earbud features worth paying for — and the hype
Active noise cancellation is real and meaningful; "spatial audio" usually isn't; "AI sound enhancement" almost never is. carmannews maps the feature claims…