For some it makes the world feel a littler smaller by connecting family and friends irrespective of the distance between them.
Others use it to become part of communities they may never have otherwise discovered, sharing talents, laughs and vital advice along the way.
But for a creative few, posting on social media can be a bona fide way to make or support a living or cause – and find fame on the small screen.
We've trawled the likes of Instagram, TikTok, Twitch, YouTube – and even LinkedIn – to bring you a list of 18 Portsmouth influencers you ought to follow.
From post-natal advice to free fitness tips, social media is a window into their world and more than 10million people are already watching.
Do you recognise any of the faces here?
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17. Jessica Megan (@jess_megan_)
Teen Vogue ambassador and model, Jessica, from Portsmouth, is also known for her role on Channel 4's Bring Back the Bush. She's a fervent backer of self-love and confidence and uses Instagram to inspire her 369K followers to find them. Photo: @jess_megan_ on Instagram
18. Kirsten Ria (@kirstenriaa)
Gamer and horror-lover Kirsten hails from the Portsmouth area. She's a presenter on the popular YouTube channel WhatCulture, which has 2m followers, and has 8K of her own on Instagram. Photo: @kirstenriaa on Instagram