Internet has instigate many free calling services other than skype.There are technologies like tango and viber Other than skype.Tango and viber allow comfortably stay connect with friends and family.These both application run proficiently in 3G,4G and wifii connection.Tango is capable for making video call but viber is lacking.
4/10
instigated is not the word which should be used.
A lot Grammatical mistakes