First, open Safari. You can do this using any of the installed apps with sharing functions, but Safari is the easiest. Next, go to a webpage—you can start with our fine website here.
Tap the share button. Slide the picker to the right past the defaults and select More.
In the popover dialog that opens, find the service you want to enable and slide the switch next to it to the “on” position. Tap Done, and that sharing option will now show up in the share sheet.
And that’s it. Those sharing options you just turned on will now appear in the Share sheet.
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