When did build-in Wi-Fi become standard on laptops?

In which year did all laptop manufacturers start including Wi-Fi on every laptop? In other words, what is the newest, most recent laptop model that I could reasonably expect to find that didn't have Wi-Fi built-in on the motherboard and would still require the purchase of a PCMCIA, PC Card, CardBus and ExpressCard, or some other extension, in order to connect it to a network through Wi-Fi?
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JohnBusiness Consultant (Owner)Commented:
Wi-Fi included has been part of commercial laptops for over a decade. My T61p new in 2008 (now gone) came with Wi-Fi. My T41 (2003) also had Wi-Fi.

All these were supplied by IBM or Lenovo with a Wi-Fi card included at the time of manufacture and with antenna wires built into the lid. My X230 (2013) came the same way.

So really (although you may have had to order the option) Wi-Fi has been built in (not a card you insert) for 15 years.

Most manufacturer's kept up (or they would have been left behind).

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JohnBusiness Consultant (Owner)Commented:
Also, on all the equipment above, Wi-Fi is a socket that you plug a card into at manufacture (field replaceable if you take the laptop apart) and connected to the antenna wires.
Tom CieslikIT EngineerCommented:
Wi-Fi nodes operating in ad-hoc mode refers to devices talking directly to each other without the need to first talk to an access point (also known as base station). Ad-hoc mode was first invented and realized by Chai K. Toh in his 1996 invention of Wi-Fi ad-hoc routing, implemented on Lucent WaveLAN 802.11a wireless on IBM ThinkPads over a size nodes scenario spanning a region of over a mile


detail_seekerAuthor Commented:
Thank you. :-)
JohnBusiness Consultant (Owner)Commented:
You are very welcome and I was happy to help.
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