Connectivity standard predictions, 2018–2021 USB-D — the exact same size as a Lightning port Pros: tinier. Cons: very confusing. USB-E — pinhole Pros: 360-degree reversibility. Cons: looks like the button that factory resets your router. USB-F — short-wave radio. Pros: no port needed. Cons: dongle easily disconnected. USB-G — 128-pin breadboard Pros: backward compatible with 36-pin printer port. Cons: doesn't support quick charging. |