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https://www.cnet.com/news/web-site-builder-synthasite-rebrands-as-yola/
https://www.wsj.com/articles/SB121803326363016929
https://venturebeat.com/2017/03/23/thync-relax-pro-relieves-your-stress-anxious-thoughts-and-poor-sleep/
http://www.businessinsider.com/thync-relax-pro-device-stress-sleep-photos-2017-3
https://www.wareable.com/wearable-tech/stress-beating-tech-to-keep-you-sane
https://ain.ua/2015/05/07/ukrainskij-startap-chargies-privlek-100-000-investicij-ot-noosphere-ventures-i-zapustil-mobilnyj-messendzher
https://dou.ua/forums/topic/13539/
https://www.huffingtonpost.co.uk/2012/12/19/online-dating-traffic-surges-boxing-day_n_2330015.html?guccounter=2
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http://www.bbc.com/news/uk-scotland-scotland-business-17029443