It seems Apple is finally gearing up to make Siri useful. Following a report from earlier this week about Apple developing a smart Bluetooth speaker similar to the Amazon Echo, now Venture Beat is reporting that the next Apple TV could also have the Echo in its sights. "They want Apple TV to be just the hub of everything," a source told the site. Siri was a big part of the recent Apple TV, but it also requires holding down a button on the remote. The next Apple TV will suppos