Simply restating that 'the power could be in the hand of the users' without evidence to back it up (or pros/cons) leaves us hanging.
IE: Intro: Most users choose Amazon for cloud purposes, but there are many more options.
Conclusion: Options are available to users such as x, y, and z. X provides a and b over Amazon, but lacks c and d. Y and Z are both fairly new to the market, but are showing friction in the products P1 and P2.
Rather than just restating: 'there are many more options.'