english: Some services, such as Frontline SMS, operate largely via simple text messages, while others, such as Ushahidi, employ multiple methods, including SMS, Twitter, e-mail and web forms.
non_english: Alcuni servizi, come Frontline SMS, operano ampiamente attraverso semplici SMS, mentre altri, come Ushahidi, integrano diversi metodi tra cui SMS, Twitter, posta elettronica e moduli sul web.