i/XIAO_Big_Power-Board-ebook-photo/chapter_4-1/chapter_4-1_4.png" width="500" height="auto" style="margin:0 auto"><br><sub>Google‚Äôs data center located on the outskirts of Pryor, Oklahoma, USA</sub>
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<p>In theory, all our computing services can be completed in the cloud. But these cloud-based services are useless in many areas without internet connections or when the internet goes down.</p>
<p>The computers we use for work and entertainment are just some devices connected to these cl