Adolescents attending schools with restrictive, compared to permissive policies had lower phone (adjusted mean difference −0.67 h, 95% CI −0.92 to −0.43, p = 0.00024) and social media time (adjusted mean difference −0.54 h, 95% CI −0.74 to −0.36, p = 0.00018) during school time, but there was no evidence for differences when comparing usage time on weekdays or weekends.

https://en.m.wikipedia.org/wiki/Google_services_outages

Still fairly reliable overall I’d say.

Technically speaking, pretty much all of our power is solar power with extra steps.

Wiktionary says it’s the other way around (until originates from til) and both til and till are correct: https://en.m.wiktionary.org/wiki/till#Etymology_1