"Reads your email" is ambiguous. All unencrypted email must be read just to transmit it over the network, or to store it on disk. Sounds silly, but the example

"Reads your email" is ambiguous. All unencrypted email must be read just to transmit it over the network, or to store it on disk. Sounds silly, but the example you gave is actually even more benign: It could be done with Javascript that never sends anything across the network.