"We will, at times, restrict content on country-specific domains where a nation's laws require it or if content is found to violate our community guidelines, " said a YouTube spokeswoman.
If hundreds of files are required to build a web page across dozens of domains, Silk can request all of this content simultaneously with EC2, without overwhelming the mobile device processor or impacting battery life.
She said young developers involved in creating local content felt a stronger affinity with a potential ".africa" suffix than to ".com" domains, while it also appealed to corporates, who would be able to unify their presence across the continent under a single online brand.