A distributted and open lottery Smart Contract on ethereum which ensures total transparency in Lottery Systems which ensures trust in this Lottery Scheme

lottery.sol

pragma solidity ^0.4.17;

contract Lottery {
    address public manager;
    address[] public players;

    function Lottery() public {
        manager = msg.sender;
    }

    function enter() public payable {
        require(msg.value > .01 ether);

        players.push(msg.sender);
    }

    function getPlayers() public view returns(address[]) {
        return players;
    }

    function pickWinner() public restricted {
        uint index = random() % players.length;
        players[index].transfer(address(this).balance);
        players = new address[](0);
    }

    function random() private view returns(uint) {
        return uint(keccak256(now, players, block.difficulty));
    }

    modifier restricted() {
        require(msg.sender == manager);
        return _;
    }
}

A decentralized Lottery Scheme where noone controls the Scheme ... it's all about trust in the system.
Redirecting trust from centralized entity to everyone in the system