That would be land telefonic lines, satellite communication, TV, radio, cable TV, microwave, cellular phones, Internet, you name it. Mexico is not an Sub-Saharan backward economy, as it is the 11th world economy in terms OS gross domestic product.
When would you use formal communication
it is used for the communication
medio communication is communication can be use 2 - 3 person, use sophiscated tool like webcam, projector etc. medio communication combine mass communication and self communication
No, vosotros is not used in Mexico.
You can use your cell phone for communication or you can use your email to comunnicate.
is it nessessary to use e-communication in communities
Mexico is a geographically difficult region, with several mountain ranges crisscrossing its territory. In general terms, this has provided to be a inhibitor of communication, as some regions could be cut-off due to a landslide or a washed-up bridge.
Telegraph (as in Zimmerman Telegram)
Mexico is a country. There are no countries 'in Mexico'. The currency in Mexico is the Mexican Peso (MXN).
Cell phones use radio waves for communication.
No. Use of foreign currency is illegal in Mexico; during your arrival you must change your Euros to Mexican pesos (1 EUR = 22.38 MXN). You however, can use Visa and MasterCard cards in Mexico.