Usage notes [edit]. The feminine noun acta is like other feminine nouns starting with a stressed a sound in that it takes the definite article el (normally reserved for masculine nouns) in the singular when there is no intervening adjective:
Skype is a program that uses internet to make free worldwide calls and video calls between computers, smartphones and mobile devices, to chat and transfer files. It has about 280 million active users per month and since 2011 belongs to Microsoft Corporation.
Skype is one of the best things to hit businesses in recent years. We are seeing significant savings in telephone costs by using Skype, which we use for internal meetings, sales calls and for conference calls with other companies. Nearly all our calls are made over Skype now, Wilson said.