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 was an instant hit and have millions of users worldwide. In August 2015, it was enjoying a number of more than 300 million active users each month. It was first acquired by eBay in September 2005 but now Microsoft, the software giant, owns the application.